A boat is banked on the sand in an area usually submerged in water along the Danube River during low water levels in Rasova, Romania, Monday, Aug. 3 2026. (AP Photo/Andreea Alexandru)

Palestinians cool off in the Mediterranean Sea during a heat wave in Gaza City, Monday, Aug. 3, 2026. (AP Photo/Jehad Alshrafi)

A frog floats in a puddle in an area that is usually submerged along the Danube River that is exposed due to low water levels in Rasova, Romania, Monday, Aug. 3 2026. (AP Photo/Andreea Alexandru)

A painter on a ladder braves the searing heat in the San Fernando Valley section of Los Angeles on Friday, July 31, 2026. (AP Photo/Richard Vogel)

A small plastic pool is filled with water for children to cool off on a soccer field in Los Angeles, Friday, July 31, 2026. (AP Photo/Jae C. Hong)

A person sits in the shade at a bus stop in Los Angeles, Friday, July 31, 2026. (AP Photo/Jae C. Hong)

A person sits in the shade of trees in a nearly empty park in Los Angeles, Friday, July 31, 2026. (AP Photo/Jae C. Hong)

Daniel Aragonez leaves a cooling center in Los Angeles, Friday, July 31, 2026. (AP Photo/Jae C. Hong)