Tourists visit the Bund area in Shanghai, east China, June 29, 2025. Shanghai issued a heatwave alert on Sunday, which will last for about 10 days with high temperature hitting 39-40 degrees Celsius. (Xinhua/Fang Zhe)

A girl walks at the Bund area in Shanghai, east China, June 29, 2025. Shanghai issued a heatwave alert on Sunday, which will last for about 10 days with high temperature hitting 39-40 degrees Celsius. (Xinhua/Fang Zhe)

Tourists visit the Bund area in Shanghai, east China, June 29, 2025. Shanghai issued a heatwave alert on Sunday, which will last for about 10 days with high temperature hitting 39-40 degrees Celsius. (Xinhua/Fang Zhe)

Tourists visit the Bund area in Shanghai, east China, June 29, 2025. Shanghai issued a heatwave alert on Sunday, which will last for about 10 days with high temperature hitting 39-40 degrees Celsius. (Xinhua/Fang Zhe)

Visitors walk into a museum in Shanghai, east China, June 29, 2025. Shanghai issued a heatwave alert on Sunday, which will last for about 10 days with high temperature hitting 39-40 degrees Celsius. (Xinhua/Fang Zhe)