Two women in traditional costumes splash water during the Uchimizu water sprinkling event in Tokyo, Japan, Aug. 3, 2019. Uchimizu is a summer tradition meant to cool down the air as the water evaporates. (Xinhua/Du Xiaoyi)

People in traditional costumes splash water during the Uchimizu water sprinkling event in Tokyo, Japan, Aug. 3, 2019. Uchimizu is a summer tradition meant to cool down the air as the water evaporates. (Xinhua/Du Xiaoyi)

A girl in traditional costume splashes water during the Uchimizu water sprinkling event in Tokyo, Japan, Aug. 3, 2019. Uchimizu is a summer tradition meant to cool down the air as the water evaporates. (Xinhua/Du Xiaoyi)

People in traditional costumes splash water during the Uchimizu water sprinkling event in Tokyo, Japan, Aug. 3, 2019. Uchimizu is a summer tradition meant to cool down the air as the water evaporates. (Xinhua/Du Xiaoyi)