A man splashes water on his face as he walks through a water mist machine installed by city administration to assist people in coping with the heat, as the National Weather forecaster issued an extreme heat code red warning for most parts of the country, in Bucharest, Romania, Thursday, Aug. 6, 2026. (AP Photo/Vadim Ghirda)

Tourists use umbrellas for shade as they visit Rome's ancient Forum, Saturday, Aug. 1, 2026. (AP Photo/Alessandra Tarantino)

Tourists use handheld fans as they pause in Piazza del Campidoglio on Rome's Capitoline Hill, Saturday, Aug. 1, 2026. (AP Photo/Alessandra Tarantino)

Visitors holding umbrellas to avoid sunshine leave the Gyeongbok Palace in Seoul, South Korea, Wednesday, Aug. 5, 2026. (AP Photo/Ahn Young-joon)

The outdoor fitness equipments are empty due to the heat in Goyang, South Korea, Wednesday, Aug. 5, 2026. (AP Photo/Lee Jin-man)

People sit in the shade to avoid the heat in Goyang, South Korea, Wednesday, Aug. 5, 2026. (AP Photo/Lee Jin-man)

Visitors hold umbrellas to avoid sunshine at the Gyeongbok Palace in Seoul, South Korea, Wednesday, Aug. 5, 2026. (AP Photo/Ahn Young-joon)

A firefighter rests from battling wildfires, in the Lège-Cap-Ferret region, western France, Thursday, July 23, 2026. (AP Photo/Caroline Blumberg)