TechEBlog » Shanghai Tower is World's Highest Observatory, Spins Towards the Sky

TechEBlog » Shanghai Tower is World's Highest Observatory, Spins Towards the Sky: "When completed, Shanghai Tower will boast the world's highest observatory, at 632m. This structure 'is organized as nine cylindrical buildings stacked one on top of the other with a double-skinned layer on the outside.' Click here for first picture in gallery."