Den Blå Planet (The Blue Planet, Denmarks National Aquarium), Copenhagen, Denmark. Architect: 3XN, 2013. Parking lot with doorwa

Den Blå Planet (The Blue Planet, Denmarks National Aquarium), Copenhagen, Denmark. Architect: 3XN, 2013. Parking lot with doorwa

Alastair Philip Wiper-VIEW / Alamy Stock Photo

Image ID: DFKGE0

The main purpose of the aquarium is to disseminate marine information, help science projects, and help improve educational institutions. The Blue Planet resembles a whirlpool when seen from above and was designed by Danish architects 3XN. It has about 7,000,000 litres (1,500,000 imp gal; 1,800,000 US gal) of water, including a 4,000,000-litre (880,000 imp gal; 1,100,000 US gal) tank for sharks and rays.