Rescuers participate in a flood rescue drill in north China's Tianjin, June 16, 2026. The drill was set against potential flooding in culverts and low-lying urban areas in case of extreme rainfall. (Xinhua/Sun Fanyue)

Rescuers participate in a flood rescue drill in north China's Tianjin, June 16, 2026. The drill was set against potential flooding in culverts and low-lying urban areas in case of extreme rainfall. (Xinhua/Sun Fanyue)

Rescuers participate in a flood rescue drill in north China's Tianjin, June 16, 2026. The drill was set against potential flooding in culverts and low-lying urban areas in case of extreme rainfall. (Xinhua/Sun Fanyue)

Rescuers participate in a flood rescue drill in north China's Tianjin, June 16, 2026. The drill was set against potential flooding in culverts and low-lying urban areas in case of extreme rainfall. (Xinhua/Sun Fanyue)

Rescuers participate in a flood rescue drill in north China's Tianjin, June 16, 2026. The drill was set against potential flooding in culverts and low-lying urban areas in case of extreme rainfall. (Xinhua/Sun Fanyue)

Rescuers participate in a flood rescue drill in north China's Tianjin, June 16, 2026. The drill was set against potential flooding in culverts and low-lying urban areas in case of extreme rainfall. (Xinhua/Sun Fanyue)

Rescuers participate in a flood rescue drill in north China's Tianjin, June 16, 2026. The drill was set against potential flooding in culverts and low-lying urban areas in case of extreme rainfall. (Xinhua/Sun Fanyue)