Tokyo 2020 mascot robot Miraitowa, which will be used to support the Tokyo 2020 Olympic and Paralympic Games, is unveiled at Ajinomoto Stadium in Tokyo, Japan on Monday. /VCG photo

The unveiling event celebrating the first anniversary of the mascot debut was hosted jointly by organizers and the city ahead of Wednesday's scheduled ceremonies, which will mark one year until the Olympics kick off on July 24. /VCG photo

Shown by Japanese automaker Toyota Motor Corp, a major Olympic sponsor, robot Miraitowa shook the children's hands and elicited shouts of joy. The robot's eyes can change to the images of stars and hearts. /VCG photo

Picture taken on July 18 during a press preview shows the other mascot robot Someity (R). The engineer in charge, Tomohisa Moridaira, suggested various possibilities, such as having the mascot robot hold the Olympic torch using magnets. /VCG photo