It is located in Qiqihar, Heilongjiang Province, with a total area of 300 square kilometers and a large water level drop. The wetland is overgrown with reeds, fish and birds. It is the only original wetland with lakes in China. There are 242 species of birds in the wetland, including 42 species of national rare and endangered birds, such as red crowned cranes and giant swans, with a total number of more than one million
