How Did They Build That? S4E6 backdrop
How Did They Build That? poster

How Did They Build That? (2021)

S4E6 Shipyards & Slender Builds

Sep 07, 2025 Season 4 Episode 6 Documentary

A 284-foot timber tower pushes fire safety boundaries to new extremes. An abandoned crane track is transformed into a modern glass office complex. And on a plot just 21 feet wide, 28 apartments rise in a vertical stack of innovative design.