This Double-Helix Staircase Allows People to Go Up and Down While Never Crossing
This Double Helix Staircase in the Vatican Museum is actually incredible - it allows people to go up and down the staircase on different sides while never crossing paths. However, when you look down at it, it just looks like one winding staircase.
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Noah Boudrie (Wanderlust Wellman) | Travel Enthusiast formerly living in Colorado, Chicago, and currently in Michigan. I travel around the country and share my favorite adventures, foods, hikes, and other gems that YOU TOO can take advantage of!