Zhalong National Nature Reserve is the largest and world-famous Zhalong Wetland in China, located 30 km southeast of Qiqihar City, Heilongjiang Province. With a total area of 210,000 hectares, it is the first reed wetland in Asia, the fourth largest in the world and the largest in the world. It is the first National Nature Reserve in China and has been listed in the first batch of "World Important Wetland List" in China. In Zhalong Nature Reserve, the lake is densely covered with reeds and grasses, rich in fish and shrimp, and inhabits more than 100 kinds of rare birds. There are 15 species of cranes in the world, 9 species in China and 6 species in Zhalong. There are less than 2000 red-crowned cranes in the world, and more than 400 in Zhalong. Zhalong in Baibi Paradise is known as the "Crane's Hometown". Red-crowned cranes fly south in late autumn and return in late spring. Hundreds of birds are singing harmoniously, and man and nature are perfectly integrated in Zhalong.