People wear face masks in Tokyo, Japan
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People wearing face masks walk with a parasol at Ginza in Tokyo, Japan, on Aug. 15, 2020. (Xinhua/Du Xiaoyi)

People wearing face masks walk with parasols at Ginza in Tokyo, Japan, on Aug. 15, 2020. (Xinhua/Du Xiaoyi)

People walk under water sprays at Yurakucho in Tokyo, Japan, on Aug. 15, 2020. (Xinhua/Du Xiaoyi)

A man uses a fan to cool off at Ginza in Tokyo, Japan, on Aug. 15, 2020. (Xinhua/Du Xiaoyi)

People wearing face masks walk with a parasol at Ginza in Tokyo, Japan, on Aug. 15, 2020. (Xinhua/Du Xiaoyi)

A man uses portable electric fans to cool off at Ginza in Tokyo, Japan, on Aug. 15, 2020. (Xinhua/Du Xiaoyi)

People wearing face masks walk with a parasol at Yurakucho in Tokyo, Japan, on Aug. 15, 2020. (Xinhua/Du Xiaoyi)

A woman wearing a face mask walks with a parasol at Ginza in Tokyo, Japan, on Aug. 15, 2020. (Xinhua/Du Xiaoyi)