Photo taken on Aug. 3, 2019 shows the seats for spectators in wheelchairs in Fukushima Azuma Baseball Stadium, one of the Tokyo 2020 Olympic Games venues, in Fukushima, Japan. The baseball stadium is under renovation. (Xinhua/Du Xiaoyi)

Photo taken on Aug. 3, 2019 shows that the Fukushima Azuma Baseball Stadium, one of the Tokyo 2020 Olympic Games venues, is under renovation in Fukushima, Japan. The main renovation of this Tokyo 2020 Olympic baseball and softball games venue will be finished next month. (Xinhua/Du Xiaoyi)

A citizen walks to Fukushima Azuma Baseball Stadium, one of the Tokyo 2020 Olympic Games venues, in Fukushima, Japan, on Aug. 3, 2019. The main renovation of this Tokyo 2020 Olympic baseball and softball games venue will be finished next month. (Xinhua/Du Xiaoyi)

Photo taken on Aug. 3, 2019 shows Fukushima Azuma Baseball Stadium, one of the Tokyo 2020 Olympic Games venues, is under renovation in Fukushima, Japan. The main renovation of this Tokyo 2020 Olympic baseball and softball games venue will be finished next month. (Xinhua/Du Xiaoyi)

Photo taken in Fukushima, Japan, on Aug. 3, 2019, shows a family restroom of Fukushima Azuma Baseball Stadium, one of the Tokyo 2020 Olympic Games venues. The main renovation of this Tokyo 2020 Olympic baseball and softball games venue will be finished next month. (Xinhua/Du Xiaoyi)