Mascot Miraitowa (front L) and Someity (front R) unveil mascot robot Miraitowa during the Tokyo 2020 mascot robots unveiling event in Tokyo, Japanon, July 22, 2019. Tokyo 2020 Mascot-type robots will welcome athletes and guests at Games venues and other Games-related locations with human-like movements. (Xinhua/Du Xiaoyi)