The Changsha Subway Digital Art Museum Built in an interchange metro station of the city's subway line 2 and line 4, includes six large-scale three-dimensional LED art installations which transform the original ordinary subway commuting space into an art space full of sense of science and technology and fashion, demonstrating the unique humanistic temperament of Changsha.A subway station is a potential public art space where people can feel the encouragement, comfort and healing of a city.This is a successful attempt and innovation of subway public space and public art space.