How Did They Build That? S4E7 backdrop

How Did They Build That? (2021)

S4E7 Summit & Submerge

Sep 14, 2025 Season 4 Episode 7 Documentary

Episode Overview

How Did They Build That? poster

Perched at the edge of breathable air, a mountaintop research station pushes the limits of human endurance. Nearby, a breathtaking museum sinks seamlessly into a historic dock, its galleries carved into the old stone. In Singapore, a 600-foot tower defies gravity with floating gardens spiraling upward, blending lush greenery with futuristic design. Each structure reimagines what’s possible when architecture meets the extremes of nature and urban life.

How Did They Build That? poster
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