A pontoon bridge sits on the exposed riverbed across the Gongjiang River as the water level dropped in Ganzhou, east China's Jiangxi Province, Oct. 31, 2022. The pontoon bridge, with a history of more than 800 years, uses floats or shallow-draft boats to support a deck for pedestrian and vehicle travel.

A pontoon bridge sits on the exposed riverbed across the Gongjiang River as the water level dropped in Ganzhou, east China's Jiangxi Province, Oct. 31, 2022.

A pontoon bridge sits on the exposed riverbed across the Gongjiang River as the water level dropped in Ganzhou, east China's Jiangxi Province, Oct. 31, 2022.

A pontoon bridge sits on the exposed riverbed across the Gongjiang River as the water level dropped in Ganzhou, east China's Jiangxi Province, Oct. 31, 2022.

A pontoon bridge sits on the exposed riverbed across the Gongjiang River as the water level dropped in Ganzhou, east China's Jiangxi Province, Oct. 31, 2022.

A pontoon bridge sits on the exposed riverbed across the Gongjiang River as the water level dropped in Ganzhou, east China's Jiangxi Province, Oct. 31, 2022.