Hefei, an eco-city in East China

A bird flies over Huancheng park in Hefei City, east China's Anhui Province, Dec. 6, 2022. (Xinhua/Zhang Duan)

HEFEI, Dec. 18 (Xinhua) -- Huancheng park in Hefei, capital city of east China's Anhui Province, is an open-plan park for local residents to enjoy the ecological greenery among the hustle and bustle of city life. Hefei is also home to the Chaohu Lake, the fifth-largest freshwater lake in China. Accredited on Nov. 10, 2022 by the Ramsar Convention as an international wetland city, Hefei has five national wetland parks and three provincial wetland parks, with a wetland protection rate of 75 percent.

A bird flies near a wetland around the Chaohu Lake in Hefei City, east China's Anhui Province, Nov. 24, 2022. (Xinhua/Zhang Duan)

This aerial photo taken on Nov. 24, 2022 shows a bird at a wetland around the Chaohu Lake in Hefei City, east China's Anhui Province. (Xinhua/Zhang Duan)

Local residents walk by the waterside at a wetland park around the Chaohu Lake in Hefei City, east China's Anhui Province, Dec. 18, 2022.

This aerial photo taken on Nov. 24, 2022 shows a bird flying above a wetland around the Chaohu Lake in Hefei City, east China's Anhui Province. (Xinhua/Zhang Duan)

This aerial photo taken on Dec. 2, 2022 shows people playing badminton at Huancheng park in Hefei City, east China's Anhui Province. (Xinhua/Zhang Duan)

This photo taken on Dec. 6, 2022 shows a view of Huancheng park in Hefei City, east China's Anhui Province. (Xinhua/Zhang Duan)

This aerial photo taken on Nov. 24, 2022 shows people cycling at a wetland park around the Chaohu Lake in Hefei City, east China's Anhui Province. (Xinhua/Zhang Duan)

This photo taken on Dec. 18, 2022 shows a view of a wetland park around the Chaohu Lake in Hefei City, east China's Anhui Province. (Xinhua/Zhang Duan)

This aerial photo taken on Dec. 2, 2022 shows a view of Huancheng park in Hefei City, east China's Anhui Province. (Xinhua/Zhang Duan)

This photo taken on Dec. 6, 2022 shows a child playing at Huancheng park in Hefei City, east China's Anhui Province. (Xinhua/Zhang Duan)