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The engineering secrets behind a mobile research station in Antarctica, a gravity-defying concert hall on the Canary Islands, and a rotating boat lift in Scotland.

How Did They Build That?

Arctic Modules & Auditoria

The inside stories behind a new, horseshoe-shaped complex in Rotterdam, a rock-shaped opera house in China and a makeover of the British Museum.

Arches & Opera Houses

Alien port authority in Belgium; ultrathin skyscraper in Manhattan; hanging museum in Scotland.

Supertalls & Firehouses

A towering bridge in France; upside-down hotel in China; Italy's forest into the sky.

Viaducts & Hotels

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Exploring the engineering and architectural masterpieces like The Copper in Manhattan to Gardens By the Bay in Singapore.

S1 E4 | Viaducts & Hotels