I was incredibly taken by the central stairs in the new Museum of Modern Art in Warsaw. They instantly gave me Escher vibes and I took a moment to stop and observe them as the light changed during our visit. Lovely.

Multi-level interior staircase with angular white zigzag forms at the Museum of Modern Art in Warsaw, visitors moving between floorsMulti-level white geometric staircases in a modern museum atrium, with a few visitors on different floorsMulti-level white concrete staircase atrium in the Museum of Modern Art Warsaw with visitors walking below