This art installation makes it look like visitors are climbing a four-story NYC brownstone
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Photo courtesy of Phil Roeder on Flickr
Photo courtesy of Shinya Suzuki on Flickr
Photo courtesy of the New York City Department of Transportation on Flickr
Photo by Ludovic Bertron on Flickr
Image courtesy of ajay_suresh on Flickr
Photo by Ajay Suresh on Wikimedia
Image courtesy of Jauher Ali Nasir on Flickr
Photo by Kate Glicksberg exclusively for 6sqft