L-R: Chen Yunxia, Zhang Ling, Lyu Yang and Cui Xiaotong of China celebrate with their gold medals after winning women's quadruple sculls event in the Tokyo Olympics at the Sea Forest Waterway in Tokyo, Japan, July 28, 2021. /CFP

Zhang Liang and Liu Zhiyu of China win the bronze medal in men's doubles sculls event at the Tokyo Olympics, Sea Forest Waterway, July 28, 2021. /CFP

Ariarne Titmus of Austalia celebrates after winning gold medal in women's 200m freestyle event in the Tokyo Olympics at Tokyo Aquatics Centre in Tokyo, Japan, July 28, 2021. /CFP

Yang Junxuan of China competes in the finals of women's 200m freestyle at the Tokyo Olympics at Tokyo Aquatics Centre, July 28, 2021. /CFP

Kathleen Ledecky of the U.S. celebrates after winning women's 1500m freestyle final in the Tokyo Olympics at Tokyo Aquatics Centre, July 28, 2021. /CFP

Wang Jianjiahe of China competes in women's 1500m freestyle final in the Tokyo Olympics at Tokyo Aquatics Centre, July 28, 2021. /CFP

Xie Siyi (L) and Wang Zongyuan of China celebrate with their gold medals after winning men's synchronized 3m springboard event in the Tokyo Olympics at Tokyo Aquatics Centre, July 28, 2021. /CFP

Fiji celebrates after defeating New Zealand 27-12 in Rugby Sevens men's final in the Tokyo Olympics at Tokyo Stadium in Tokyo, Japan, July 28, 2021. /CFP

Lasha Bekauri of Georgia bites his gold medal to celebrate his victory in men's judo 90kg event at the Tokyo Olympics, Nippon Budokan, Tokyo, Japan, July 28, 2021. /CFP

Shi Zhiyong of China celebrates after winning men's 73kg weightlifting event in the Yokyo Olympics at Tokyo International Forum in Tokyo, Japan, July 28, 2021. /CFP

Xiao Ruoteng of China poses with his silver medal after competing in men's all-round final in the Tokyo Olympics at Ariake Gymnastics Centre in Tokyo, Japan, July 28, 2021. /CFP

Chinese players hug after defeating France 16-14 in 3x3 women's basketball bronze medal game in the Tokyo Olympics at the Aomi Urban Sports Park in Tokyo, Japan, July 28, 2021

Players of USA celeberate after defeating Russian Olympic Committee 18-15 in 3x3 women's basketball final in the Tokyo Olympics at the Aomi Urban Sports Park, on July 28, 2021

Ma Long of China competes in men's singles table tennis quarterfinal match in the Tokyo Olympics at the Tokyo Metropolitan Gymnasium in Tokyo, Japan, July 28, 2021. /CFP

Sun Yingsha of China competes in women's singles table tennis quarterfinal match in the Tokyo Olympics at the Tokyo Metropolitan Gymnasium, July 28, 2021. /CFP

Fan Zhendong of China competes in men's singles table tennis quarterfinal match in the Tokyo Olympics at the Tokyo Metropolitan Gymnasium, July 28, 2021. /CFP

Chen Meng of China competes in women's singles table tennis quarterfinal match in the Tokyo Olympics at the Tokyo Metropolitan Gymnasium, July 28, 2021. /CFP

Players of Lativia celebrate after defeating Russian Olympic Committee 21-18 in 3x3 men's basketball final in the Tokyo Olympics at the Aomi Urban Sports Park, July 28, 2021. /CFP