Watch How Did They Build That? (2021) Series Online Free

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1. Reborn Buildings & Sacred Grounds

In Oklahoma, a sacred spiral mound rises on a former oilfield, honouring 39 tribes. London's crumbling Battersea Power Station is reborn with two million new bricks. And in Spain, Frank Gehry crowns a historic winery.

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E2 44 min

2. Earthquakes & Exoskeletons

Milwaukee commissions Calatrava to design a museum with 90-ton wings that take flight. Oslo tears down its national ski jump and rebuilds it for the World Championships. And in LA, a 235-foot tower is wrapped in steel bands

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E3 44 min

3. Cable Cars & Rooftop Parks

Witness amazing buildings, bridges, lifts, and other structures that pushed structural concrete engineering to the edge.

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E4 44 min

4. Tunnels & Towers

In Chicago, twin concrete towers push the limits of high-rise design. Engineers conquer the sea to unite Sweden and Denmark. And in Sydney, Norman Foster and team take on the challenge of a new metro station that can't disrupt the busy streets above.

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