Yang Junxuan, Tang Muhan, Zhang Yufei and Li Bingjie of China celebrate after winning the women's 4x200m freestyle relay final of swimming at the Tokyo 2020 Olympic Games in Tokyo, Japan, July 29, 2021. (Photo: Xinhua)

Rescuers transfer a resident in the flood-hit Weihui City, central China's Henan Province, July 28, 2021. (Photo: Xinhua)

Kids play at a daycare classroom at a primary school in Nanjing, east China's Jiangsu Province, July 5, 2021. (Photo: Xinhua)

Sun Wei of China competes in the parallel bars competition of the artistic gymnastics men's all-around final at the Tokyo 2020 Olympic Games in Tokyo, Japan, July 28, 2021. (Photo: Xinhua)

Fan Zhendong of China celebretes during the men's singles semifinal table tennis match between Fan Zhendong of China and Lin Yun Ju of Chinese Taipei at Tokyo 2020 Olympic Games in Tokyo, Japan, July 29, 2021. (Photo: Xinhua)

Wang Shun of China celebrates after the men's 200m individual medley final of swimming at the Tokyo 2020 Olympic Games in Tokyo, Japan, July 30, 2021. (Photo: Xinhua)