At first: vertigo. You are moving along the sidewalk, when suddenly you see the front of a structure, only on its side, extruded from the ground below you. But then you look up, and realize you are part of some surreal and magical.

Via TIC, “Bâtiment (Building) is a mirrored installation by artist Leandro Erlichcurrently on display at Le 104 in Paris as part of their In_Perceptions exhibition. The piece is clever in its simplicity: a massive building facade is constructed on the floor near a towering mirror giving anyone reflected the uncanny appearance of being weightless.“

His similarly-stunning pool installation is another great optical illusion for those above or below the faux surface of the water, either looking down on participants who, by rights, should be swimming (if not drowning), or looking up through the shimmering reflective surface.