Concept for the Helix hotel in the Zayed Bay district of Abu Dhabi, UAE from Leeser Architecture. Called the Helix for its spiraling floors, the hotel is located in the bay and sits partially over the water.
The Infinite Staircase sculpture titled Umschreibung was designed by Olafur Eliasson. The staircase can be found at the entrance of the KPMG office building in Munich, Germany. Photo taken by Christian Krieglsteiner.