Convex and Concave , by m c escher , 1955 , capriccio , Surrealism style , houses and buildings, walls and staircases, monochrome
A black and white drawing of a building with people climbing stairs.
A black and white picture of a building. There are several stairs leading up to the top of the building. A woman is standing on the stairs wearing a white dress. There is a man climbing a ladder next to the stairs. 