(180407) -- SILICON VALLEY, April 7, 2018 (Xinhua) -- Sean Harrington, vice president of Verizon, addresses the 2018 Global Smart City Summit (G50) in Santa Clara, Silicon Valley, the United States, on April 6, 2018. The three-day event seeks to introduce low-carbon industrial innovations to produce a smart service chain for the smart city industry and boost innovation in urban development. (Xinhua/Wu Xiaoling) (psw)more(180407) -- SILICON VALLEY, April 7, 2018 (Xinhua) -- Gerhard Eschelbeck, Google's vice president of security and privacy engineering, addresses the 2018 Global Smart City Summit (G50) in Santa Clara, Silicon Valley, the United States, on April 6, 2018. The three-day event seeks to introduce low-carbon industrial innovations to produce a smart service chain for the smart city industry and boost innovation in urban development. (Xinhua/Wu Xiaoling) (psw)more(180407) -- SILICON VALLEY, April 7, 2018 (Xinhua) -- Hyperloop CEO Dirk Alhborn addresses the 2018 Global Smart City Summit (G50) in Santa Clara, Silicon Valley, the United States, on April 6, 2018. The three-day event seeks to introduce low-carbon industrial innovations to produce a smart service chain for the smart city industry and boost innovation in urban development. (Xinhua/Wu Xiaoling) (psw)more