Ocean Spiral is a conceptual city proposed beneath the surface of the ocean

Ocean Spiral: Japanese firm plans underwater city powered by seabed, Japan

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Ocean Spiral is a conceptual city proposed beneath the surface of the ocean

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Ocean Spiral: Japanese firm plans underwater city powered by seabed

Could this underwater 'Ocean Spiral' be the modern-day city of Atlantis?

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OCEAN SPIRAL, Deep Sea Future City Concept, Topics

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

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