The Citadel Floating Apartment Complex, a 60-unit luxury apartment complex designed by Dutch architect Koen Olthuis for Dutch firm Waterstudio -- defies the tides while cutting energy use by 25 percent - 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.