Photo taken on Aug. 2, 2020 shows the emblem of the Tokyo 2020 Paralympic Games displayed on a wall of a building in Tokyo, Japan. The Tokyo 2020 organizing committee on Monday announced the schedule of the delayed Paralympic Games, which will be held from August 24 to September 5, 2021. (Xinhua/Du Xiaoyi)

Photo taken on Aug. 2, 2020 shows the emblem of the Tokyo 2020 Paralympic Games and mascot "Someity" displayed on a wall of a building in Tokyo, Japan. The Tokyo 2020 organizing committee on Monday announced the schedule of the delayed Paralympic Games, which will be held from August 24 to September 5, 2021. (Xinhua/Du Xiaoyi)

Photo taken on Aug. 2, 2020 shows the emblem of the Tokyo 2020 Paralympic Games displayed on a wall of a building in Tokyo, Japan. The Tokyo 2020 organizing committee on Monday announced the schedule of the delayed Paralympic Games, which will be held from August 24 to September 5, 2021. (Xinhua/Du Xiaoyi)

A passer-by walks past the emblem of the Tokyo 2020 Paralympic Games and mascot "Someity" displayed on a wall of a building in Tokyo, Japan, Aug. 2, 2020. The Tokyo 2020 organizing committee on Monday announced the schedule of the delayed Paralympic Games, which will be held from August 24 to September 5, 2021. (Xinhua/Du Xiaoyi)

Photo taken on Aug. 3, 2020 shows a countdown clock for the 2020 Tokyo Paralympic Games in Tokyo, Japan. The Tokyo 2020 organizing committee on Monday announced the schedule of the delayed Paralympic Games, which will be held from August 24 to September 5, 2021. (Xinhua/Du Xiaoyi)

Photo taken on Aug. 2, 2020 shows the emblem of the Tokyo 2020 Paralympic Games displayed on a wall of a building in Tokyo, Japan. The Tokyo 2020 organizing committee on Monday announced the schedule of the delayed Paralympic Games, which will be held from August 24 to September 5, 2021. (Xinhua/Du Xiaoyi)

Photo taken on Aug. 3, 2020 shows a countdown clock for the 2020 Tokyo Paralympic Games in Tokyo, Japan. The Tokyo 2020 organizing committee on Monday announced the schedule of the delayed Paralympic Games, which will be held from August 24 to September 5, 2021. (Xinhua/Du Xiaoyi)