Crowds of pedestrians at the Ameya Yokocho market in the Ueno district of Tokyo, Japan, on Wednesday, Dec. 30, 2020. Tokyo could see an explosive increase in virus cases at any time, and everybody is at risk of infection, Governor Yuriko Koike said Wednesday, warning residents to take precautions as Japan heads into the New Year holidays. Photographer: Noriko Hayashi/Bloomberg via Getty Images
