This is similar to the other link that we posted with the sidewalk perspective art.
Source:
At Bayview, shadows of common objects such as apples and ladders silk screened to the linoleum and walls framed by patches of coloured tile gives it a kind of surreal look called trompe l’oeil. Panya Clark Espinal is the artist who designed the art in the Bayview Station.[10][11]
Link to official site: http://www.panyaclarkespinal.com/p_TTC.html
Link to wikipedia article:
http://en.wikipedia.org/wiki/Toronto_subway_and_RT#Subway_art