Photoshop whiners of the world: Stop saying words! This is not a photo montage. These two doors and the stairs are very real, suspended many metres up on the concrete walls of the Congress Hall in Biel, Switzerland.
Of course, those doors and the stairs weren't in the original plans. The original architects weren't as crazy as Sabina Lang and Daniel Baumann, the artists who built this vertigo inducing piece. [Dark Roasted Bland]