CES 2020 concludes in Las Vegas

Visitors take photos of an unmanned aerial vehicle (UAV) during the 2020 Consumer Electronics Show (CES) in Las Vegas, the United States, Jan. 7, 2020. The world's premier tech show was wrapped up here on Friday. The four-day show drew more than 4,500 exhibitors from over 160 countries. (Xinhua/Wu Xiaoling)