escapekit: Radisson Blu Hotel, Berlin At first glance this may look like just another luxury hotel but once you enter it, you’ll discover the worlds largest cylindrical aquarium. 82-feet high in the heart of the hotel’s lobby atrium the AquaDom holds one million liters of saltwater and is home to many species of tropical fish. The AquaDom is... - http://theideafactory.tumblr.com/post...