epa13155053 Passersby holding umbrellas to shelter from the sun walk in front of Tokyo Station, in Tokyo, Japan, 07 August 2026. Tokyo has endured a summer of persistent heat, with temperatures frequently exceeding 35 degrees Celsius, prompting authorities to issue heatstroke warnings. EPA/FRANCK ROBICHON

epa13155052 Passersby holding umbrellas to shelter from the sun walk in front of Tokyo Station, in Tokyo, Japan, 07 August 2026. Tokyo has endured a summer of persistent heat, with temperatures frequently exceeding 35 degrees Celsius, prompting authorities to issue heatstroke warnings. EPA/FRANCK ROBICHON

epa13155051 Passersby holding umbrellas are reflected on a water-cooling system in front of Tokyo Station, in Tokyo, Japan, 07 August 2026. Tokyo has endured a summer of persistent heat, with temperatures frequently exceeding 35 degrees Celsius, prompting authorities to issue heatstroke warnings. EPA/FRANCK ROBICHON

epa13155050 Passersby holding umbrellas to shelter from the sun walk in front of Tokyo Station, in Tokyo, Japan, 07 August 2026. Tokyo has endured a summer of persistent heat, with temperatures frequently exceeding 35 degrees Celsius, prompting authorities to issue heatstroke warnings. EPA/FRANCK ROBICHON

epa13155049 Passersby holding umbrellas to shelter from the sun walk in front of Tokyo Station, in Tokyo, Japan, 07 August 2026. Tokyo has endured a summer of persistent heat, with temperatures frequently exceeding 35 degrees Celsius, prompting authorities to issue heatstroke warnings. EPA/FRANCK ROBICHON

epa13155048 Passersby holding umbrellas to shelter from the sun walk in front of Tokyo Station, in Tokyo, Japan, 07 August 2026. Tokyo has endured a summer of persistent heat, with temperatures frequently exceeding 35 degrees Celsius, prompting authorities to issue heatstroke warnings. EPA/FRANCK ROBICHON