The room sits on the bottom of a three-level floating structure, located 250m from shore in the Indian Ocean.

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The innovation is in the engineering of a racking system and floating structure that can accommodate water rising and falling.

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From the banks, our boat must have looked a bit like some floating cubist sculpture, its white angular structure scored by floor-to-ceiling windows striped with balcony railings, its monochromatic figure floating in a backdrop of clear blue sky.

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" He also wrote, "I wanted the structure to look as delicate as possible, almost floating.

WSJ: A Concrete Ribbon Through the Clouds | Millau Viaduct | Masterpiece by Joseph Giovannini