Fireworks conclude the Tokyo Olympics closing ceremonies of the Tokyo 2020 Olympics at the Olympic Stadium in Tokyo, Japan on Sunday, August 8, 2021. Photo by Keizo Mori/UPI - Permalink

The Japanese national flag (C) is flanked by the Greek national flag (R) and the Olympic flag for the closing ceremonies of the Tokyo 2020 Olympics, at Olympic Stadium, Sunday, August 8, 2021, in Tokyo, Japan. The Olympiad was held despite a Covid Pandemic and amid an emergency declaration that restricted many aspects of the Summer Games and attendance. Photo by Mike Theiler/UPI - Permalink

Sifan Hassan of the Netherlands and Kalkidan Gezahegne of Bahrain cross the finish line in the Women's 10,000 meter final at Olympic Stadium during the 2020 Summer Olympics in Tokyo, Japan on Saturday, August 7, 2021. Sifan Hassan of the Netherlands took gold with a time of 29:55.32, Kalkidan Gezahegne of Bahrain took silver with a time of 29:56.18 and Letesenbet Gidey of Ethiopia took bronze with a time of 30:01.72. Photo by Bob Strong/UPI - Permalink

China's Li Gong( R) and Azerbaijan's Iryna Zaretska compete in the Semi Final during the Tokyo Olympics Women's kumite -61kg Karate at Nippon Budokan, Tokyo, Japan on Saturday, August 7, 2021. Photo by Keizo Mori/UPI - Permalink