Photo taken in Tokyo, Japan, on March 15, 2019 shows Delivery Support Robot (L) , Human Support Robot (C) and Power Assist Suit, which may be used in Tokyo 2020 Olympic and Paralympic Games, in Tokyo, Japan, on March 15, 2019. The Tokyo 2020 Organizing committee announced the launch of its new Tokyo 2020 Robot Project on Friday. (Xinhua/Du Xiaoyi)