Photo taken on March 20, 2017 shows a robot displayed at a booth during the CeBIT 2017 in Hanover, Germany. The world's leading trade fair showcasing IT and communications products and solutions CeBIT 2017 kicked off on Monday and will last until March 24. The show with the theme "d!conomy - no limits" this year attracted around 3,000 exhibitors from 70 countries and regions and is expected to attract some 200,000 visitors. (Xinhua/Shan Yuqi)