Three-day Robot Development & Application Expo held in Tokyo

Photo taken on Jan. 17, 2019 shows robot arms developed by Japan's auto part maker Denso Corp at an expo in Tokyo, capital of Japan. About 220 enterprises took part in the three-day Robot Development & Application Expo (RoboDEX) in Tokyo to showcase robot technology, artificial intelligence and robot R&D. (Xinhua/Hua Yi)