The tram stop St. Johann in Basel features a very interesting spiral staircase.
spiral staircase Straßenbahnhaltestelle St. Johann
spiral staircase Straßenbahnhaltestelle St. Johann
spiral staircase Straßenbahnhaltestelle St. Johann
This staircase was featured in National Geographic's Photo Gallery Discover 21 of the world’s most spectacular staircases
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