Which line is Changsha Desiqin Square subway?

According to Baidu map query, Changsha Desiqin Square subway station is a station of Changsha Metro Line 4, which is located on the ground floor of Desiqin Square in Tianxin District, Changsha, and is an underground island station. The station was put into operation on February 26, 20 19. It is one of the stations of Changsha Metro Line 4 and the starting point of the line. Changsha Metro Line 4 is a north-south subway line, with a total length of 42.2 kilometers and 3/kloc-0 stations, covering many areas and important transportation hubs in Changsha, which has become an important support for citizens' travel and urban development. Changsha, also known as Xingcheng, is a prefecture-level city, provincial capital and megacity under the jurisdiction of Hunan Province. It is located in the middle of China, north of eastern Hunan Province, downstream of Xiangjiang River and west of Changliu Basin, with a subtropical monsoon climate, mild climate and abundant precipitation.