Children cool off in a wading pool in Toronto, Canada, June 22, 2025. Environment Canada issued a heat warning for the City of Toronto from June 22 to 24. (Photo by Zou Zheng/Xinhua)

A boy cools off in a wading pool in Toronto, Canada, June 22, 2025. Environment Canada issued a heat warning for the City of Toronto from June 22 to 24. (Photo by Zou Zheng/Xinhua)

A girl cools off in a wading pool in Toronto, Canada, June 22, 2025. Environment Canada issued a heat warning for the City of Toronto from June 22 to 24. (Photo by Zou Zheng/Xinhua)