Neue Nationalgalerie in Berlin. The corners of the black steel roof have been raised to correct the visual effect of the ends hanging down. Architecture: Mies Van der Rohe. Photograph from masdearte.com

Neue Nationalgalerie in Berlin. The corners of the black steel roof have been raised to correct the visual effect of the ends hanging down. Architecture: Mies Van der Rohe.

Photograph from masdearte.com