Koen Olthuis - Floating Apartment
					
					                    Posted on August 1, 2009 in Architecture:
                    Dutch architect Koen Olthuis designed this floating apartment building which responds to fluctuating water levels. The Citadel will rise and fall with the changing water levels. The Citadel  will be comprised of 60 luxury apartments, a parking garage, a floating roadway, and boat docks as well as a garden terrace and many greenhouses.