How Did They Build That?
Airing | 3/4, 11:00p
S3 E5 | Heights & Balance
1h 0m|How-to|2024
A 1.2-million-square-foot office building balances precariously on a 39-foot wide base in Chicago; a building named Pterodactyl lands on top of a Los Angeles parking garage; the world's longest suspension footbridge.
