A woman wearing a face mask walks across a bridge in Tokyo, Japan, Dec. 31, 2020. The number of new daily COVID-19 cases in Tokyo surpassed the 1,000-mark for the first time since the outbreak of the pandemic, Governor Yuriko Koike said Thursday, warning that the third wave hitting the capital is of "unprecedented size." (Xinhua/Du Xiaoyi)

Pedestrians wearing face masks walk on a road in Tokyo, Japan, Dec. 31, 2020. The number of new daily COVID-19 cases in Tokyo surpassed the 1,000-mark for the first time since the outbreak of the pandemic, Governor Yuriko Koike said Thursday, warning that the third wave hitting the capital is of "unprecedented size." (Xinhua/Du Xiaoyi)

Pedestrians wearing face masks walk on a road in Tokyo, Japan, Dec. 31, 2020. The number of new daily COVID-19 cases in Tokyo surpassed the 1,000-mark for the first time since the outbreak of the pandemic, Governor Yuriko Koike said Thursday, warning that the third wave hitting the capital is of "unprecedented size." (Xinhua/Du Xiaoyi)

People wearing face masks wait for bus at a bus station in Tokyo, Japan, Dec. 31, 2020. The number of new daily COVID-19 cases in Tokyo surpassed the 1,000-mark for the first time since the outbreak of the pandemic, Governor Yuriko Koike said Thursday, warning that the third wave hitting the capital is of "unprecedented size." (Xinhua/Du Xiaoyi)

A man wearing a face mask rides a bike on a road in Tokyo, Japan, Dec. 31, 2020. The number of new daily COVID-19 cases in Tokyo surpassed the 1,000-mark for the first time since the outbreak of the pandemic, Governor Yuriko Koike said Thursday, warning that the third wave hitting the capital is of "unprecedented size." (Xinhua/Du Xiaoyi)

Pedestrians wearing face masks are seen on a road in Tokyo, Japan, Dec. 31, 2020. The number of new daily COVID-19 cases in Tokyo surpassed the 1,000-mark for the first time since the outbreak of the pandemic, Governor Yuriko Koike said Thursday, warning that the third wave hitting the capital is of "unprecedented size." (Xinhua/Du Xiaoyi)