Longest art gallery of the world.

About 90 of the 100 underground stations provide visitors the opportunity to get acquainted with the work of different types and directions of art. Here and fabulous caves (many stations have been hewn in the rock, as the cave), and sculpture, and the corners of classical architecture, and wall reliefs, mosaics, graffiti and even a video installation.
In the subway frequently organized the exhibition. His work provided the Stockholm subway several hundred artists. Formerly, the state invested annually in the underground gallery of about $ 1.5 million