Relax and play! [Oase No. 7 by the group Haus-Rucker-Co, which was created for Documenta 5 in Kassel, Germany. An inflatable structure emerged from the façade of an existing building creating a space for relaxation and play]
Called "Tree Hopper", the winning project of the Triumph Architectural Treehouse Award presents a mixed structure - built around a tree. Through a spiral staircase, visitors can access the comfortable accommodations that resemble a futuristic beehive.