Yichang, central China's Hubei Province, has implemented various measures to improve the water in the Yangtze River in recent years, such as relocating chemical manufacturers away from the river and introducing a new mobile phone app to help manage pollutants from ships. (Photos: People's Daily online, compiled by Qiu Qingyi)

With the improvement of water quality in Yichang, the protected Changjiang cowfish, dubbed the "giant panda of the water", has increased in population every year.

These Changjiang cowfish, which frequently leap out of the water, were photographed on the Miaozui River downstream from the Gezhouba Dam in Yichang city.

These Changjiang cowfish, which frequently leap out of the water, were photographed on the Miaozui River downstream from the Gezhouba Dam in Yichang city.

These Changjiang cowfish, which frequently leap out of the water, were photographed on the Miaozui River downstream from the Gezhouba Dam in Yichang city.

These Changjiang cowfish, which frequently leap out of the water, were photographed on the Miaozui River downstream from the Gezhouba Dam in Yichang city.