How Did They Build That?
Airing | 6/10, 10:00p
S3 E8 | Subways & Sightlines
1h 0m|How-to|Smithsonian Channel|2024
A sculptural high-rise with rippling balconies breaks the mold in Chicago; Mammoth machines bore 26 miles of tunnels for an underground railroad beneath London's city streets.
GENREHow-to
DETAILSNetwork: Smithsonian Channel
Runtime: 1h 0m
Rating: TVG