Zhangye wetland park in brilliant green colors

An aerial photo shows scenery of Heihe River wetland in Zhangye, Northwest China's Gansu province. [Photo provided to gozhangye.com]

Heihe River National Wetland Park in Zhangye, Northwest China's Gansu province, is a picture of a tranquil oasis with its weeping willows, crystal-clear waters, and picturesque pavilions nestled among lush greenery.

The wetland park maintains a close connection to the urban area. Serving as an environmental support system, it plays a vital role in preserving the middle and lower reaches of the Heihe River and the Zhangye Oasis.