Ocean Spiral Underwater City Features a Giant Sphere That Holds up To 5000 People

Ocean Spiral Underwater City is a future vision of Shimizu Corporation, it looks like futuristic city that you can only see in sci-fi movies. This ambitious project features a giant sphere that holds up to 5000 people and draws its energy for seabed thousands meters below. According to theguardian, this company has a great reputation […]

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