Season 4 · Episode 7 of 10
Aired Sep 14, 2025
Summit & Submerge
Sun, Sep 14, 2025
0 of 10 watched this season
A mountain-top centre defies extreme altitude. A stunning museum is sunk into an old dock. And a 600ft tower with floating gardens rises in Singapore.
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Airs
Sun, Sep 14, 2025
Show
How Did They Build That?
38 episodes
Episode
S4 · E7
in How Did They Build That?