How Did They Build That? S03E08 - Subways & Sightlines
How Did They Build That? (2021)
S03E08 Subways & Sightlines
Episode Overview
In Chicago, a striking high-rise featuring undulating balconies redefines architectural design. Meanwhile, in London, colossal machines are busy digging 26 miles worth of tunnels to create a new underground railway system that will run beneath the bustling streets of the city.