(160815) -- RIO DE JANEIRO, Aug. 15, 2016 (Xinhua) -- Lekuta David Rudisha of Kenya celebrates after the men's 800m final at the 2016 Rio Olympic Games in Rio de Janeiro, Brazil, on Aug. 15, 2016. Lekuta David Rudisha won the gold medal. (Xinhua/Cao can)(dh)more(160814) -- RIO DE JANEIRO, Aug. 14, 2016 (Xinhua) -- China's Zhang Guowei competes during the men's high jump qualification at the 2016 Rio Olympic Games in Rio de Janeiro, Brazil, on Aug. 14, 2016. (Xinhua/Wang Lili)(dh)more(160814) -- RIO DE JANEIRO, Aug. 14, 2016 (Xinhua) -- Usain Bolt of Jamaica celebrates after the final of men's 100m at the 2016 Rio Olympic Games in Rio de Janeiro, Brazil, on Aug. 14, 2016. Usain Bolt won the gold medal with 9.81. (Xinhua/Han Yuqing)(dh)more(160814) -- RIO DE JANEIRO, Aug. 14, 2016 (Xinhua) -- Nafissatou Thiam of Belgium attends the awarding ceremony of the women's heptathlon at the 2016 Rio Olympic Games in Rio de Janeiro, Brazil, on Aug. 14, 2016. Nafissatou Thiam won the gold medal. (Xinhua/Shen Bohan)(dh)more(160814) -- RIO DE JANEIRO, Aug. 14, 2016 (Xinhua) -- Jeff Henderson of the United States (C), Luvo Manyonga of South Africa (L) and Greg Rutherford of Great Britain attend the awarding ceremony of the men's long jump at the 2016 Rio Olympic Games in Rio de Janeiro, Brazil, on Aug. 14, 2016. Jeff Henderson won the gold medal. (Xinhua/Han Yuqing)(dh)more(160815) -- RIO DE JANEIRO, Aug. 15, 2016 (Xinhua) -- Bahrain's Ruth Jebet competes during the women's 3000m steeplechase final of Athletics at the 2016 Rio Olympic Games in Rio de Janeiro, Brazil, on Aug. 15, 2016. Ruth Jebet won the gold medal. (Xinhua/Yan Yan) (xr)more(160815) -- RIO DE JANEIRO, Aug. 15, 2016 (Xinhua) -- Bahrain's Ruth Jebet (L) celebrates after crossing the finish line during the women's 3000m steeplechase final of Athletics at the 2016 Rio Olympic Games in Rio de Janeiro, Brazil, on Aug. 15, 2016. Ruth Jebet won the gold medal. (Xinhua/Yan Yan) (xr)more(160815) -- RIO DE JANEIRO, Aug. 15, 2016 (Xinhua) -- Bahrain's Ruth Jebet competes during the women's 3000m steeplechase final of Athletics at the 2016 Rio Olympic Games in Rio de Janeiro, Brazil, on Aug. 15, 2016. Ruth Jebet won the gold medal. (Xinhua/Li Ming) (xr)more(160815) -- RIO DE JANEIRO, Aug. 15, 2016 (Xinhua) -- Bahrain's Ruth Jebet (1st, L) competes during the women's 3000m steeplechase final of Athletics at the 2016 Rio Olympic Games in Rio de Janeiro, Brazil, on Aug. 15, 2016. Ruth Jebet won the gold medal. (Xinhua/Li Ming) (xr)more(160815) -- RIO DE JANEIRO, Aug. 15, 2016 (Xinhua) -- Gold medalist Bahrain's Ruth Jebet (C), silver medalist Kenya's Hyvin Kiyeng Jepkemoi (L) and bronze medalist Emma Coburn of the United States of America attend the awarding ceremony for the women's 3000m steeplechase final of Athletics at the 2016 Rio Olympic Games in Rio de Janeiro, Brazil, on Aug. 15, 2016. (Xinhua/Li Ming) (xr)more(160815) -- RIO DE JANEIRO, Aug. 15, 2016 (Xinhua) -- Bahrain's Ruth Jebet attends the awarding ceremony for the women's 3000m steeplechase final of Athletics at the 2016 Rio Olympic Games in Rio de Janeiro, Brazil, on Aug. 15, 2016. Ruth Jebet won the gold medal. (Xinhua/Li Ming) (xr)more(160815) -- RIO DE JANEIRO, Aug. 15, 2016 (Xinhua) -- China's Zhong Tianshi competes during a women?s sprint competition of Cycling Track at the 2016 Rio Olympic Games in Rio de Janeiro, Brazil, on Aug. 15, 2016. (Xinhua/Wang Haofei) (xr)more(160815) -- RIO DE JANEIRO, Aug. 15, 2016 (Xinhua) -- China's Ding Ning serves during women's team semifinal of Tabel Tennis against Singapore at the 2016 Rio Olympic Games in Rio de Janeiro, Brazil, on Aug. 15, 2016. China won 3-0. (Xinhua/Yin Bogu) (xr)more(160815) -- RIO DE JANEIRO, Aug. 15, 2016 (Xinhua) -- China's Zhong Tianshi (R) competes during a women?s sprint competition of Cycling Track at the 2016 Rio Olympic Games in Rio de Janeiro, Brazil, on Aug. 15, 2016. (Xinhua/Wang Haofei) (xr)more(160815) -- RIO DE JANEIRO, Aug. 15, 2016 (Xinhua) -- China's Zhong Tianshi (L) competes during a women?s sprint competition of Cycling Track at the 2016 Rio Olympic Games in Rio de Janeiro, Brazil, on Aug. 15, 2016. (Xinhua/Wang Haofei) (xr)more(160815) -- RIO DE JANEIRO, Aug. 15, 2016 (Xinhua) -- Poland's Anita Wlodarczyk poses next to a scoreboard displaying her new world record after the women's hammer throw final of Athletics at the 2016 Rio Olympic Games in Rio de Janeiro, Brazil, on Aug. 15, 2016. Anita Wlodarczyk won the gold medal and smashed the world record with 82.29m. (Xinhua/Wang Lili) (xr)more(160815) -- RIO DE JANEIRO, Aug. 15, 2016 (Xinhua) -- China's Zhang Wenxiu competes during the women's hammer throw final of Athletics at the 2016 Rio Olympic Games in Rio de Janeiro, Brazil, on Aug. 15, 2016. Zhang Wenxiu won the silver medal. (Xinhua/Wang Lili) (xr)more(160815) -- RIO DE JANEIRO, Aug. 15, 2016 (Xinhua) -- China's Zhang Wenxiu celebrates after the women's hammer throw final of Athletics at the 2016 Rio Olympic Games in Rio de Janeiro, Brazil, on Aug. 15, 2016. Zhang Wenxiu won the silver medal. (Xinhua/Wang Lili) (xr)more(160815) -- RIO DE JANEIRO, Aug. 15, 2016 (Xinhua) -- China's Zhang Wenxiu competes during the women's hammer throw final of Athletics at the 2016 Rio Olympic Games in Rio de Janeiro, Brazil, on Aug. 15, 2016. Zhang Wenxiu won the silver medal. (Xinhua/Wang Lili) (xr)more(160815) -- RIO DE JANEIRO, Aug. 15, 2016 (Xinhua) -- Poland?s Anita Wlodarczyk reacts during the women's hammer throw final of Athletics at the 2016 Rio Olympic Games in Rio de Janeiro, Brazil, on Aug. 15, 2016. Anita Wlodarczyk won the gold medal and smashed the world record with 82.29m. (Xinhua/Wang Lili) (xr)more(160815) -- RIO DE JANEIRO, Aug. 15, 2016 (Xinhua) -- Poland?s Anita Wlodarczyk competes during the women's hammer throw final of Athletics at the 2016 Rio Olympic Games in Rio de Janeiro, Brazil, on Aug. 15, 2016. Anita Wlodarczyk won the gold medal and smashed the world record with 82.29m. (Xinhua/Wang Lili) (xr)more(160815) -- RIO DE JANEIRO, Aug. 15, 2016 (Xinhua) -- Poland?s Anita Wlodarczyk celebrates during the women's hammer throw final of Athletics at the 2016 Rio Olympic Games in Rio de Janeiro, Brazil, on Aug. 15, 2016. Anita Wlodarczyk won the gold medal and smashed the world record with 82.29m. (Xinhua/Wang Lili) (xr)more(160815) -- RIO DE JANEIRO, Aug. 15, 2016 (Xinhua) -- Gold medalist the Netherlands' Sharon Van Rouwendaal (C), silver medalist Italy's Rachele Bruni (L) and bronze medalist Brazil's Poliana Okimoto attend the awarding ceremony for the women's 10km Marathon Swimming at the 2016 Rio Olympic Games in Rio de Janeiro, Brazil, on Aug. 15, 2016.(Xinhua/Fei Maohua) (xr)more(160815) -- RIO DE JANEIRO, Aug. 15, 2016 (Xinhua) -- The Netherlands' Sharon Van Rouwendaal kisses her medal during the awarding ceremony for the women's 10km Marathon Swimming at the 2016 Rio Olympic Games in Rio de Janeiro, Brazil, on Aug. 15, 2016. Sharon Van Rouwendaal won the gold medal. (Xinhua/Fei Maohua) (xr)more(160815) -- RIO DE JANEIRO, Aug. 15, 2016 (Xinhua) -- The Netherlands' Sharon Van Rouwendaal kisses her medal during the awarding ceremony for the women's 10km Marathon Swimming at the 2016 Rio Olympic Games in Rio de Janeiro, Brazil, on Aug. 15, 2016. Sharon Van Rouwendaal won the gold medal. (Xinhua/Fei Maohua) (xr)more(160815) -- RIO DE JANEIRO, Aug. 15, 2016 (Xinhua) -- China's Yin Junhua (L) competes against Azerbaijan's Yana Alekseevna during women's light (57-60kg) quarterfinal of Boxing at the 2016 Rio Olympic Games in Rio de Janeiro, Brazil, on Aug. 15, 2016. (Xinhua/Lin Yiguang) (xr)more(160815) -- RIO DE JANEIRO, Aug. 15, 2016 (Xinhua) -- Italy's Rachele Bruni attends the awarding ceremony for the women's 10km Marathon Swimming at the 2016 Rio Olympic Games in Rio de Janeiro, Brazil, on Aug. 15, 2016. Rachele Bruni won the silver medal. (Xinhua/Fei Maohua) (xr)more(160815) -- RIO DE JANEIRO, Aug. 15, 2016 (Xinhua) -- China's Yin Junhua (L) competes against Azerbaijan's Yana Alekseevna during women's light (57-60kg) quarterfinal of Boxing at the 2016 Rio Olympic Games in Rio de Janeiro, Brazil, on Aug. 15, 2016. (Xinhua/Lin Yiguang) (xr)more(160815) -- RIO DE JANEIRO, Aug. 15, 2016 (Xinhua) -- China's Yin Junhua (R) celebrates after women's light (57-60kg) quarterfinal of Boxing against Azerbaijan's Yana Alekseevna at the 2016 Rio Olympic Games in Rio de Janeiro, Brazil, on Aug. 15, 2016. (Xinhua/Lin Yiguang) (xr)more(160815) -- RIO DE JANEIRO, Aug. 15, 2016 (Xinhua) -- The Netherlands' Sharon Van Rouwendaal competes during the women's 10km Marathon Swimming at the 2016 Rio Olympic Games in Rio de Janeiro, Brazil, on Aug. 15, 2016. Sharon Van Rouwendaal won the gold medal. (Xinhua/Ding Xu) (xr)more(160815) -- RIO DE JANEIRO, Aug. 15, 2016 (Xinhua) -- The Netherlands' Sharon Van Rouwendaal reacts after the women's 10km Marathon Swimming at the 2016 Rio Olympic Games in Rio de Janeiro, Brazil, on Aug. 15, 2016. Sharon Van Rouwendaal won the gold medal. (Xinhua/Ding Xu) (xr)more(160815) -- RIO DE JANEIRO, Aug. 15, 2016 (Xinhua) -- The Netherlands' Sharon Van Rouwendaal (L) reacts after the women's 10km Marathon Swimming at the 2016 Rio Olympic Games in Rio de Janeiro, Brazil, on Aug. 15, 2016. Sharon Van Rouwendaal won the gold medal. (Xinhua/Ding Xu) (xr)moreRio de Janeiro: Indian boxer Vikas Krishan Yadav competes with Bektemir Melikuziev of Uzbekistan in the quarter-finals of the men`s Middleweight (75kg) category at the Rio Olympics in Rio de Janeiro on Aug. 15, 2016. (Photo: Seshadri Sukumar/IANS)moreRio de Janeiro: Indian boxer Vikas Krishan Yadav competes with Bektemir Melikuziev of Uzbekistan in the quarter-finals of the men`s Middleweight (75kg) category at the Rio Olympics in Rio de Janeiro on Aug. 15, 2016. (Photo: Seshadri Sukumar/IANS)moreRio de Janeiro: Indian boxer Vikas Krishan Yadav competes with Bektemir Melikuziev of Uzbekistan in the quarter-finals of the men`s Middleweight (75kg) category at the Rio Olympics in Rio de Janeiro on Aug. 15, 2016. (Photo: Seshadri Sukumar/IANS)moreRio de Janeiro: Indian boxer Vikas Krishan Yadav competes with Bektemir Melikuziev of Uzbekistan in the quarter-finals of the men`s Middleweight (75kg) category at the Rio Olympics in Rio de Janeiro on Aug. 15, 2016. (Photo: Seshadri Sukumar/IANS)moreRio de Janeiro: Indian boxer Vikas Krishan Yadav competes with Bektemir Melikuziev of Uzbekistan in the quarter-finals of the men`s Middleweight (75kg) category at the Rio Olympics in Rio de Janeiro on Aug. 15, 2016. (Photo: Seshadri Sukumar/IANS)moreRio de Janeiro: Indian boxer Vikas Krishan Yadav competes with Bektemir Melikuziev of Uzbekistan in the quarter-finals of the men`s Middleweight (75kg) category at the Rio Olympics in Rio de Janeiro on Aug. 15, 2016. (Photo: Seshadri Sukumar/IANS)moreRio de Janeiro: Indian boxer Vikas Krishan Yadav competes with Bektemir Melikuziev of Uzbekistan in the quarter-finals of the men`s Middleweight (75kg) category at the Rio Olympics in Rio de Janeiro on Aug. 15, 2016. (Photo: Seshadri Sukumar/IANS)moreRio de Janeiro: Indian boxer Vikas Krishan Yadav competes with Bektemir Melikuziev of Uzbekistan in the quarter-finals of the men`s Middleweight (75kg) category at the Rio Olympics in Rio de Janeiro on Aug. 15, 2016. (Photo: Seshadri Sukumar/IANS)moreRio de Janeiro: Indian boxer Vikas Krishan Yadav competes with Bektemir Melikuziev of Uzbekistan in the quarter-finals of the men`s Middleweight (75kg) category at the Rio Olympics in Rio de Janeiro on Aug. 15, 2016. (Photo: Seshadri Sukumar/IANS)moreRio de Janeiro: Indian boxer Vikas Krishan Yadav competes with Bektemir Melikuziev of Uzbekistan in the quarter-finals of the men`s Middleweight (75kg) category at the Rio Olympics in Rio de Janeiro on Aug. 15, 2016. (Photo: Seshadri Sukumar/IANS)moreRio de Janeiro: Indian boxer Vikas Krishan Yadav competes with Bektemir Melikuziev of Uzbekistan in the quarter-finals of the men`s Middleweight (75kg) category at the Rio Olympics in Rio de Janeiro on Aug. 15, 2016. (Photo: Seshadri Sukumar/IANS)moreRio de Janeiro: Indian boxer Vikas Krishan Yadav competes with Bektemir Melikuziev of Uzbekistan in the quarter-finals of the men`s Middleweight (75kg) category at the Rio Olympics in Rio de Janeiro on Aug. 15, 2016. (Photo: Seshadri Sukumar/IANS)moreRio de Janeiro: Indian boxer Vikas Krishan Yadav competes with Bektemir Melikuziev of Uzbekistan in the quarter-finals of the men`s Middleweight (75kg) category at the Rio Olympics in Rio de Janeiro on Aug. 15, 2016. (Photo: Seshadri Sukumar/IANS)moreRio de Janeiro: Indian boxer Vikas Krishan Yadav competes with Bektemir Melikuziev of Uzbekistan in the quarter-finals of the men`s Middleweight (75kg) category at the Rio Olympics in Rio de Janeiro on Aug. 15, 2016. (Photo: Seshadri Sukumar/IANS)moreRio de Janeiro: Indian badminton coach P. Gopichand speaking to the media after the match between P.V. Sindhu and Tai Tzu-ying of Chinese Taipei at Rio Olympics in Rio de Janeiro on Aug. 15, 2016. (Photo: Seshadri Sukumar/IANS)moreRio de Janeiro: Indian badminton coach P. Gopichand speaking to the media after the match between P.V. Sindhu and Tai Tzu-ying of Chinese Taipei at Rio Olympics in Rio de Janeiro on Aug. 15, 2016. (Photo: Seshadri Sukumar/IANS)moreRio de Janeiro: Indian spectators cheer as shuttler P.V. Sindhu compete against Tai Tzu-ying of Chinese Taipei at Rio Olympics in Rio de Janeiro on Aug. 15, 2016. P.V. Sindhu entered the quarter-finals of the women's singles event. (Photo: Seshadri Sukumar/IANS)moreRio de Janeiro: Indian shuttler P.V. Sindhu in action against Tai Tzu-ying of Chinese Taipei at Rio Olympics in Rio de Janeiro on Aug. 15, 2016. P.V. Sindhu entered the quarter-finals of the women`s singles event. (Photo: Seshadri Sukumar/IANS)moreRio de Janeiro: Indian shuttler P.V. Sindhu in action against Tai Tzu-ying of Chinese Taipei at Rio Olympics in Rio de Janeiro on Aug. 15, 2016. P.V. Sindhu entered the quarter-finals of the women`s singles event. (Photo: Seshadri Sukumar/IANS)moreRio de Janeiro: Indian shuttler P.V. Sindhu in action against Tai Tzu-ying of Chinese Taipei at Rio Olympics in Rio de Janeiro on Aug. 15, 2016. P.V. Sindhu entered the quarter-finals of the women`s singles event. (Photo: Seshadri Sukumar/IANS)moreRio de Janeiro: Indian shuttler P.V. Sindhu in action against Tai Tzu-ying of Chinese Taipei at Rio Olympics in Rio de Janeiro on Aug. 15, 2016. P.V. Sindhu entered the quarter-finals of the women`s singles event. (Photo: Seshadri Sukumar/IANS)moreRio de Janeiro: Indian shuttler P.V. Sindhu in action against Tai Tzu-ying of Chinese Taipei at Rio Olympics in Rio de Janeiro on Aug. 15, 2016. P.V. Sindhu entered the quarter-finals of the women`s singles event. (Photo: Seshadri Sukumar/IANS)moreRio de Janeiro: Indian shuttler P.V. Sindhu in action against Tai Tzu-ying of Chinese Taipei at Rio Olympics in Rio de Janeiro on Aug. 15, 2016. P.V. Sindhu entered the quarter-finals of the women`s singles event. (Photo: Seshadri Sukumar/IANS)moreRio de Janeiro: Indian shuttler P.V. Sindhu in action against Tai Tzu-ying of Chinese Taipei at Rio Olympics in Rio de Janeiro on Aug. 15, 2016. P.V. Sindhu entered the quarter-finals of the women`s singles event. (Photo: Seshadri Sukumar/IANS)moreRio de Janeiro: Indian shuttler P.V. Sindhu in action against Tai Tzu-ying of Chinese Taipei at Rio Olympics in Rio de Janeiro on Aug. 15, 2016. P.V. Sindhu entered the quarter-finals of the women`s singles event. (Photo: Seshadri Sukumar/IANS)moreRio de Janeiro: Indian shuttler P.V. Sindhu in action against Tai Tzu-ying of Chinese Taipei at Rio Olympics in Rio de Janeiro on Aug. 15, 2016. P.V. Sindhu entered the quarter-finals of the women`s singles event. (Photo: Seshadri Sukumar/IANS)moreRio de Janeiro: Indian shuttler P.V. Sindhu in action against Tai Tzu-ying of Chinese Taipei at Rio Olympics in Rio de Janeiro on Aug. 15, 2016. P.V. Sindhu entered the quarter-finals of the women`s singles event. (Photo: Seshadri Sukumar/IANS)moreRio de Janeiro: Indian shuttler P.V. Sindhu in action against Tai Tzu-ying of Chinese Taipei at Rio Olympics in Rio de Janeiro on Aug. 15, 2016. P.V. Sindhu entered the quarter-finals of the women`s singles event. (Photo: Seshadri Sukumar/IANS)moreRio de Janeiro: Indian shuttler P.V. Sindhu in action against Tai Tzu-ying of Chinese Taipei at Rio Olympics in Rio de Janeiro on Aug. 15, 2016. P.V. Sindhu entered the quarter-finals of the women`s singles event. (Photo: Seshadri Sukumar/IANS)moreRio de Janeiro: Indian shuttler P.V. Sindhu in action against Tai Tzu-ying of Chinese Taipei at Rio Olympics in Rio de Janeiro on Aug. 15, 2016. P.V. Sindhu entered the quarter-finals of the women`s singles event. (Photo: Seshadri Sukumar/IANS)moreRio de Janeiro: Indian shuttler P.V. Sindhu in action against Tai Tzu-ying of Chinese Taipei at Rio Olympics in Rio de Janeiro on Aug. 15, 2016. P.V. Sindhu entered the quarter-finals of the women`s singles event. (Photo: Seshadri Sukumar/IANS)moreRio de Janeiro: Indian shuttler P.V. Sindhu in action against Tai Tzu-ying of Chinese Taipei at Rio Olympics in Rio de Janeiro on Aug. 15, 2016. P.V. Sindhu entered the quarter-finals of the women`s singles event. (Photo: Seshadri Sukumar/IANS)more(160815) -- RIO DE JANEIRO, Aug. 15, 2016 (Xinhua) -- Gold medalist Greece's Eleftherios Petrounias (C), silver medalist Brazil's Arthur Zanetti (R), bronze medalist Russia's Denis Abliazin attend the awarding ceremony for the men's rings final of Artistic Gymnastics at the 2016 Rio Olympic Games in Rio de Janeiro, Brazil, on Aug. 15, 2016. (Xinhua/Zheng Huansong) (xr)more(160815) -- RIO DE JANEIRO, Aug. 15, 2016 (Xinhua) -- Greece's Eleftherios Petrounias (R) hugs with his coach during the men's rings final of Artistic Gymnastics at the 2016 Rio Olympic Games in Rio de Janeiro, Brazil, on Aug. 15, 2016. Eleftherios Petrounias won the gold medal. (Xinhua/Zheng Huansong) (xr)more(160815) -- RIO DE JANEIRO, Aug. 15, 2016 (Xinhua) -- Gold medalist Britain's Charlotte Dujardin (C), silver medalist Germany's Isabell Werth (L) and bronze medalist Germany's Kristina Broring-Sprehe attend the awarding ceremony for the dressage individual of Equestrian at the 2016 Rio Olympic Games in Rio de Janeiro, Brazil, on Aug. 15, 2016. (Xinhua/Lui Siu Wai) (xr)more(160815) -- RIO DE JANEIRO, Aug. 15, 2016 (Xinhua) -- The Netherlands' Sharon Van Rouwendaal (L) reacts after the women's 10km Marathon Swimming at the 2016 Rio Olympic Games in Rio de Janeiro, Brazil, on Aug. 15, 2016. Sharon Van Rouwendaal won the gold medal. (Xinhua/Ding Xu) (xr)more(160815) -- RIO DE JANEIRO, Aug. 15, 2016 (Xinhua) -- Lekuta David Rudisha of Kenya (3rd L) competes during the men's 800m final at the 2016 Rio Olympic Games in Rio de Janeiro, Brazil, on Aug. 15, 2016. Lekuta David Rudisha won the gold medal. (Xinhua/Liu Dawei)(dh)more(160815) -- RIO DE JANEIRO, Aug. 15, 2016 (Xinhua) -- Lekuta David Rudisha of Kenya (C) celebrates after the men's 800m final at the 2016 Rio Olympic Games in Rio de Janeiro, Brazil, on Aug. 15, 2016. Lekuta David Rudisha won the gold medal. (Xinhua/Cao can)(dh)more(160815) -- RIO DE JANEIRO, Aug. 15, 2016 (Xinhua) -- Lekuta David Rudisha of Kenya celebrates after the men's 800m final at the 2016 Rio Olympic Games in Rio de Janeiro, Brazil, on Aug. 15, 2016. Lekuta David Rudisha won the gold medal. (Xinhua/Cao can)(dh)more(160815) -- RIO DE JANEIRO, Aug. 15, 2016 (Xinhua) -- Shaunae Miller of Bahamas (L) reacts after the women's 400m final at the 2016 Rio Olympic Games in Rio de Janeiro, Brazil, on Aug. 15, 2016. Shaunae Miller won the gold medal. (Xinhua/Li Ming)(dh)more(160815) -- RIO DE JANEIRO, Aug. 15, 2016 (Xinhua) -- Shaunae Miller of Bahamas (C) falls during the women's 400m final at the 2016 Rio Olympic Games in Rio de Janeiro, Brazil, on Aug. 15, 2016. Shaunae Miller won the gold medal. (Xinhua/Li Ming)(dh)more(160815) -- RIO DE JANEIRO, Aug. 15, 2016 (Xinhua) -- Usain Bolt of Jamaica (C), Justin Gatlin of the United States (L) and Andre de Grasse of Canada attend the awarding ceremony of men's 100m at the 2016 Rio Olympic Games in Rio de Janeiro, Brazil, on Aug. 15, 2016. Usain Bolt won the gold medal. (Xinhua/Yan Yan)(dh)more(160815) -- RIO DE JANEIRO, Aug. 15, 2016 (Xinhua) -- Usain Bolt of Jamaica shows the gold medal at the awarding ceremony of men's 100m at the 2016 Rio Olympic Games in Rio de Janeiro, Brazil, on Aug. 15, 2016. Usain Bolt won the gold medal. (Xinhua/Yan Yan)(dh)more(160815) -- RIO DE JANEIRO, Aug. 15, 2016 (Xinhua) -- Bahrain's Ruth Jebet celebrates after the women's 3000m steeplechase final of Athletics at the 2016 Rio Olympic Games in Rio de Janeiro, Brazil, on Aug. 15, 2016. Ruth Jebet won the gold medal. (Xinhua/Wang Lili) (xr)more(160815) -- RIO DE JANEIRO, Aug. 15, 2016 (Xinhua) -- Usain Bolt of Jamaica attends the awarding ceremony of men's 100m at the 2016 Rio Olympic Games in Rio de Janeiro, Brazil, on Aug. 15, 2016. Usain Bolt won the gold medal. (Xinhua/Yan Yan)(dh)more(160815) -- RIO DE JANEIRO, Aug. 15, 2016 (Xinhua) -- Russia's Evgeny Tishchenko (R) competes against Kazakhstan's Vassiliy Levit during the men's heavy(91KG) final of Boxing at the 2016 Rio Olympic Games in Rio de Janeiro, Brazil, on Aug. 15, 2016. Evgeny Tishchenko won the gold medal. (Xinhua/Lin Yiguang)(dh)more(160815) -- RIO DE JANEIRO, Aug. 15, 2016 (Xinhua) -- Russia's Davit Chakvetadze (behind) competes against Ukraine's Zhan Beleniuk during the men's Greco-Roman 85kg gold medal match of Wrestling at the 2016 Rio Olympic Games in Rio de Janeiro, Brazil, on Aug. 15, 2016. Davit Chakvetadze won the gold medal. (Xinhua/Wu Wei) (xr)more(160815) -- RIO DE JANEIRO, Aug. 15, 2016 (Xinhua) -- Cuba's Mijain Nunez Lopez attends the awarding ceremony of the men's Greco-Roman 130kg gold medal match of Wrestling at the 2016 Rio Olympic Games in Rio de Janeiro, Brazil, on Aug. 15, 2016. Mijain Nunez Lopez won the gold medal. (Xinhua/Liu Bin) (dh)more(160815) -- RIO DE JANEIRO, Aug. 15, 2016 (Xinhua) -- Russia's Davit Chakvetadze celebrates after the men's Greco-Roman 85kg gold medal match of Wrestling at the 2016 Rio Olympic Games in Rio de Janeiro, Brazil, on Aug. 15, 2016. Davit Chakvetadze won the gold medal. (Xinhua/Liu Bin) (dh)more(160815) -- RIO DE JANEIRO, Aug. 15, 2016 (Xinhua) -- Russia's Davit Chakvetadze celebrates at the awarding ceremony of the men's Greco-Roman 85kg gold medal match of Wrestling at the 2016 Rio Olympic Games in Rio de Janeiro, Brazil, on Aug. 15, 2016. Davit Chakvetadze won the gold medal. (Xinhua/Liu Bin) (dh)more(160815) -- RIO DE JANEIRO, Aug. 15, 2016 (Xinhua) -- Italy's Elia Viviani (1st, R) competes during men's omnium competition of Cycling Track at the 2016 Rio Olympic Games in Rio de Janeiro, Brazil, on Aug. 15, 2016. Elia Viviani won the gold medal. (Xinhua/Ren Zhenglai) (xr)more(160815) -- RIO DE JANEIRO, Aug. 15, 2016 (Xinhua) -- Gold medalist the Netherlands' Sanne Wevers (C), silver medalist Lauren Hernandez (R) of the United States of America, bronze medalist Simone Biles of the United States of America attend the awarding ceremony for the women's balance beam final of Artistic Gymnastics at the 2016 Rio Olympic Games in Rio de Janeiro, Brazil, on Aug. 15, 2016.(Xinhua/Qi Heng) (xr)more(160815) -- RIO DE JANEIRO, Aug. 15, 2016 (Xinhua) -- Thomas Bach (C), president of International Olympic Committee (IOC), watches Artistic Gymnastics competitions at the Rio Olympic Arena in Rio de Janeiro, Brazil, on Aug. 15, 2016. (Xinhua/Sheng Bohan) (xr)more(160815) -- RIO DE JANEIRO, Aug. 15, 2016 (Xinhua) -- Thomas Bach (Top, C), president of International Olympic Committee (IOC), watches Artistic Gymnastics competitions at the Rio Olympic Arena in Rio de Janeiro, Brazil, on Aug. 15, 2016. (Xinhua/Zheng Huansong) (xr)more(160815) -- RIO DE JANEIRO, Aug. 15, 2016 (Xinhua) -- Poland?s Anita Wlodarczyk reacts during the women's hammer throw final of Athletics at the 2016 Rio Olympic Games in Rio de Janeiro, Brazil, on Aug. 15, 2016. Anita Wlodarczyk won the gold medal and smashed the world record with 82.29m. (Xinhua/Wang Lili) (xr)more(160815) -- RIO DE JANEIRO, Aug. 15, 2016 (Xinhua) -- Cuba's Mijain Nunez Lopez (2nd L), Turkey's Riza Kayaalp (1st L), Sabah Shariati of Azerbaijan (2nd R) and Sergey Semenov of Russia attend the awarding ceremony of the men's Greco-Roman 130kg gold medal match of Wrestling at the 2016 Rio Olympic Games in Rio de Janeiro, Brazil, on Aug. 15, 2016. Mijain Nunez Lopez won the gold medal. (Xinhua/Liu Bin) (dh)more(160815) -- RIO DE JANEIRO, Aug. 15, 2016 (Xinhua) -- Brazil's Braz Thiago da Silva (R) celebrates after the men's pole vault final at the 2016 Rio Olympic Games in Rio de Janeiro, Brazil, on Aug. 15, 2016.Braz Thiago da Silva won the gold medal. (Xinhua/Li Ming)(dh)more(160815) -- RIO DE JANEIRO, Aug. 15, 2016 (Xinhua) -- Shaunae Miller of Bahamas (1st R) competes during the women's 400m final at the 2016 Rio Olympic Games in Rio de Janeiro, Brazil, on Aug. 15, 2016. Shaunae Miller won the gold medal. (Xinhua/Liu Dawei)(dh)more(160815) -- RIO DE JANEIRO, Aug. 15, 2016 (Xinhua) -- China's Zhang Wenxiu attends the awarding ceremony of women's hammer throw at the 2016 Rio Olympic Games in Rio de Janeiro, Brazil, on Aug. 15, 2016. Zhang Wenxiu won the silver medal. (Xinhua/Yan Yan)(dh)more(160815) -- RIO DE JANEIRO, Aug. 15, 2016 (Xinhua) -- Shaunae Miller of Bahamas (R) celebrates after the women's 400m final at the 2016 Rio Olympic Games in Rio de Janeiro, Brazil, on Aug. 15, 2016. Shaunae Miller won the gold medal. (Xinhua/Yan Yan)(dh)more(160815) -- RIO DE JANEIRO, Aug. 15, 2016 (Xinhua) -- Brazil's Braz Thiago da Silva celebrates after the men's pole vault final at the 2016 Rio Olympic Games in Rio de Janeiro, Brazil, on Aug. 15, 2016. Braz Thiago da Silva won the gold medal. (Xinhua/Wang Lili)(dh)more(160815) -- RIO DE JANEIRO, Aug. 15, 2016 (Xinhua) -- Brazil's Braz Thiago da Silva celebrates after the men's pole vault final at the 2016 Rio Olympic Games in Rio de Janeiro, Brazil, on Aug. 15, 2016. Braz Thiago da Silva won the gold medal. (Xinhua/Wang Lili)(dh)more(160815) -- RIO DE JANEIRO, Aug. 15, 2016 (Xinhua) -- Allyson Felix of the United States competes during the women's 400m final at the 2016 Rio Olympic Games in Rio de Janeiro, Brazil, on Aug. 15, 2016. Allyson Felix won the silver medal. (Xinhua/Wang Lili)(dh)more(160815) -- RIO DE JANEIRO, Aug. 15, 2016 (Xinhua) -- Shaunae Miller of Bahamas celebrates after the women's 400m final at the 2016 Rio Olympic Games in Rio de Janeiro, Brazil, on Aug. 15, 2016. Shaunae Miller won the gold medal. (Xinhua/Wang Lili)(dh)more(160815) -- RIO DE JANEIRO, Aug. 15, 2016 (Xinhua) -- France's Renaud Lavillenie (R) and Sam Kendricks of the United States celebrate after the men's pole vault final at the 2016 Rio Olympic Games in Rio de Janeiro, Brazil, on Aug. 15, 2016.(Xinhua/Wang Lili)(dh)more(160815) -- RIO DE JANEIRO, Aug. 15, 2016 (Xinhua) -- France's Renaud Lavillenie competes during the men's pole vault final at the 2016 Rio Olympic Games in Rio de Janeiro, Brazil, on Aug. 15, 2016.(Xinhua/Wang Lili)(dh)more(160815) -- RIO DE JANEIRO, Aug. 15, 2016 (Xinhua) -- China's Xue Changrui competes during the men's pole vault final at the 2016 Rio Olympic Games in Rio de Janeiro, Brazil, on Aug. 15, 2016. (Xinhua/Wang Lili)(dh)more(160815) -- RIO DE JANEIRO, Aug. 15, 2016 (Xinhua) -- China's Xue Changrui competes during the men's pole vault final at the 2016 Rio Olympic Games in Rio de Janeiro, Brazil, on Aug. 15, 2016. (Xinhua/Wang Lili)(dh)more(160815) -- RIO DE JANEIRO, Aug. 15, 2016 (Xinhua) -- Shaunae Miller of Bahamas (1st L) competes during the women's 400m final at the 2016 Rio Olympic Games in Rio de Janeiro, Brazil, on Aug. 15, 2016. Shaunae Miller won the gold medal. (Xinhua/Yue Yuewei)(dh)more(160815) -- RIO DE JANEIRO, Aug. 15, 2016 (Xinhua) -- Shaunae Miller of Bahamas (C) competes during the women's 400m final at the 2016 Rio Olympic Games in Rio de Janeiro, Brazil, on Aug. 15, 2016. Shaunae Miller won the gold medal. (Xinhua/Yue Yuewei)(dh)more(160815) -- RIO DE JANEIRO, Aug. 15, 2016 (Xinhua) -- Lekuta David Rudisha of Kenya celebrates after the men's 800m final at the 2016 Rio Olympic Games in Rio de Janeiro, Brazil, on Aug. 15, 2016. Lekuta David Rudisha won the gold medal. (Xinhua/Cao can)(dh)more