This photo, taken on July 2, 2025, shows that civil defence shelters were opened to the public in Nanjing, providing a cool retreat for residents as high temperatures persist. (Photo/CFP)

This photo, taken on July 2, 2025, shows that civil defence shelters were opened to the public in Nanjing, providing a cool retreat for residents as high temperatures persist. (Photo/CFP)

This photo, taken on July 2, 2025, shows that civil defence shelters were opened to the public in Nanjing, providing a cool retreat for residents as high temperatures persist. (Photo/CFP)

This photo, taken on July 2, 2025, shows that civil defence shelters were opened to the public in Nanjing, providing a cool retreat for residents as high temperatures persist. (Photo/CFP)

This photo, taken on July 2, 2025, shows that civil defence shelters were opened to the public in Nanjing, providing a cool retreat for residents as high temperatures persist. (Photo/CFP)

This photo, taken on July 2, 2025, shows that civil defence shelters were opened to the public in Nanjing, providing a cool retreat for residents as high temperatures persist. (Photo/CFP)

This photo, taken on July 2, 2025, shows that civil defence shelters were opened to the public in Nanjing, providing a cool retreat for residents as high temperatures persist. (Photo/CFP)

This photo, taken on July 2, 2025, shows that civil defence shelters were opened to the public in Nanjing, providing a cool retreat for residents as high temperatures persist. (Photo/CFP)