Japan's Chief Cabinet Secretary Yoshihide Suga gives a speech during the "One Year to Go" ceremony held to celebrate the one year countdown to Tokyo 2020 Paralympic Games in Tokyo, Japan, Aug. 25, 2019. (Photos: Xinhua/Du Xiaoyi)

Tokyo 2020 Paralympic mascot Someity waves to spectators during the "One Year to Go" ceremony to celebrate the one year countdown to Tokyo 2020 Paralympic Games in Tokyo, Japan, Aug. 25, 2019.

Yoshiro Mori, chief of the organizing committee of the 2020 Tokyo Olympics and Paralympics, gives a speech during the "One Year to Go" ceremony held to celebrate the one year countdown to Tokyo 2020 Paralympic Games in Tokyo, Japan, Aug. 25, 2019.

Paralympic athlete Markus Rehm attends the "One Year to Go" ceremony held to celebrate the one year countdown to Tokyo 2020 Paralympic Games in Tokyo, Japan, Aug. 25, 2019.

International Paralympic Committee Vice President Duane Kale gives a speech during the "One Year to Go" ceremony held to celebrate the one year countdown to Tokyo 2020 Paralympic Games in Tokyo, Japan, Aug. 25, 2019.

Japanese boccia athletes Takayuki Hirose (R) and Hidetaka Sugimura (L) perform with an artist during the "One Year to Go" ceremony held to celebrate the one year countdown to Tokyo 2020 Paralympic Games in Tokyo, Japan, Aug. 25, 2019.

Tokyo Governor Yuriko Koike gives a speech during the "One Year to Go" ceremony held to celebrate the one year countdown to Tokyo 2020 Paralympic Games in Tokyo, Japan, Aug. 25, 2019.

Japanese boccia athletes Takayuki Hirose (R) and Hidetaka Sugimura (L) perform with artists during the "One Year to Go" ceremony held to celebrate the one year countdown to Tokyo 2020 Paralympic Games in Tokyo, Japan, Aug. 25, 2019.

Japan Paralympic Committee Chairman Mitsunori Torihara (C) declares "Japan Paralympic Day" with Japanese wheelchair tennis athletes Shingo Kunieda (L) and Yui Kamiji during the "One Year to Go" ceremony held to celebrate the one year countdown to Tokyo 2020 Paralympic Games in Tokyo, Japan, Aug. 25, 2019.

Tokyo 2020 Torch Relay Official Ambassador Satomi Ishihara shows the back side of the offical uniform for Paralympic Torch Relay Runner during the "One Year to Go" ceremony held to celebrate the one year countdown to Tokyo 2020 Paralympic Games in Tokyo, Japan, Aug. 25, 2019.

Tokyo 2020 Torch Relay Official Ambassador Satomi Ishihara attends the "One Year to Go" ceremony to celebrate the one year countdown to Tokyo 2020 Paralympic Games in Tokyo, Japan, Aug. 25, 2019.

Tokyo 2020 Torch Relay Official Ambassador Aki Taguchi introduces the Paralympic Torch Relay during the "One Year to Go" ceremony held to celebrate the one year countdown to Tokyo 2020 Paralympic Games in Tokyo, Japan, Aug. 25, 2019.

Guests pose for photos during the "One Year to Go" ceremony held to celebrate the one year countdown to Tokyo 2020 Paralympic Games in Tokyo, Japan, Aug. 25, 2019.

Tokyo 2020 Torch Relay Official Ambassador Aki Taguchi, Satomi Ishihara, Mikio Date and Takeshi Tomizawa (from L to R) pose for photos during the "One Year to Go" ceremony held to celebrate the one year countdown to Tokyo 2020 Paralympic Games in Tokyo, Japan, Aug. 25, 2019.