People feed swans at close range. Visitors watch wild swans in the Swan Bend of Kaidu River, which flows through the 21st Regiment. Aerial photographers and swans live in harmony. Children enjoy themselves in winter. Swans attract people to punch cards. Several wild swans fly over Swan Bend of Kaidu River. Swans are playing in the Kaidu River. In recent years, the 21st Regiment of the Second Division of Xinjiang Production and Construction Corps, which is located along the Kaidu River, has adhered to the concept of "green water and green mountains are golden mountains and silver mountains", made the overall implementation of river leader production an important measure to implement the concept of green development and promote the construction of ecological civilization, established and improved the water governance system, repaired the water resources ecology, and formed an environment of environmental protection in which everyone participates, builds and shares. (Liu Xinshe)