中文字幕无码久久人妻_中国无码a一级刺激片_国产综合色产在线观看_色多黄片资源2020

2018 Global Smart City Summit (G50) held in Santa Clara, U.S.

Source: Xinhua| 2018-04-07 20:41:54|Editor: ZD
Video PlayerClose

U.S.-SILICON VALLEY-G50 SUMMIT

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)

   1 2 3 4 Next  

KEY WORDS: G50
YOU MAY LIKE
EXPLORE XINHUANET
010020070750000000000000011100001370939531