How Did They Build That? (2021)
How Did They Build That? (2021)
Heights & Balance (3x5)
Ημερομηνία προβολής: Σεπ 15, 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. And the world’s longest suspension footbridge is constructed in Czechia.
- Πρώτη προβολή: Ιαν 2021
- Επεισόδια: 28
- Ακόλουθοι: 4
- Τρέχων
- Smithsonian Channel
- στο 0