Ocean Spiral: The Underwater City

As the name says, Ocean Spiral, the structure of this underwater city will be spiral and it will have 3 major sections. The central part is 15km long

Ocean Spiral is a concept for a city beneath the surface of the ocean

Under the sea - submarine architecture

Ocean Spiral is a concept for a city beneath the surface of the ocean

Under the sea - submarine architecture

An underwater 'road to Atlantis' was uncovered in an unexplored

OCEAN SPIRAL, Deep Sea Future City Concept, Topics

Giant underwater city to come up in Japan!

Would you live 'under the sea?' Here's 7 reasons you could

Ocean Spiral: Japanese firm plans underwater city powered by