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Stunning photograph of spiral stairs in the British Columbia Cancer Research Center in Vancouver.
Banco da Suécia, em Landsvägen, Sundbyberg, Suécia. Arquitetura: 3XN. Fotografias: Adam Mork.
Staircases built to code may be great for people, but smaller pets might find them steep or intimidating. Here's one solution: build your pet a separate staircase!