Yancheng Dongtai Tiaozini Wetland is the only World Natural Heritage Site in Jiangsu, China. It is located on the Dongtai coast in the south of the Yellow Sea ecological Zone, with a total area of 1.29 million mu. It is one of the most important coastal wetland ecosystems in the world, and it is also the central node and key area on the migratory route of East Asia-Australasia migratory birds. East Asia - Australasian migratory bird routes north to the Russian Far East and Alaska, through East Asia, south to Southeast Asia and Australasia, covering 22 countries, involving 50 million 210 species of waterbirds. Jointly shot by Jiangsu Broadcasting Corporation, Yancheng Municipal Publicity Department, Dongtai Municipal Publicity Department and Dongtai Coastal Economic Zone, the documentary "Wetland, Our Land" is the first nature documentary in Jiangsu in 4K format, guided by the route of migratory birds from East Asia -Australasia, in addition to showing Tiaozini wetlands, it will also go to Russia, Mongolia, Myanmar, Australia and other countries to track and shoot, presenting the wetland "ecological circle of friends", which not only brings visual wonders and soul shocks to the audience around the world, but also appeals to the 22 countries along the migration line to protect migratory birds, truly connecting the common expectations of different cultures for "harmonious coexistence of man and nature", that is, to build a community of life on earth.