Exterior, Cabin Building Type, Gable RoofLine, Wood Siding Material, and Treehouse Building Type To reduce the load of the trees and minimize the building's impact on the forest, 12 columns support the cabin. One tree stretches up through the net, emphasizing the connection to the outdoors.  Photo 3 of 8 in Go Stargazing in Snøhetta’s Towering Addition to Sweden’s Treehotel