If We Built It Today Season 3 Episode 4
Fortress of Sound
Experts reveal how concert halls of the future could be constructed.
3 - 5Secrets of StonehengeNov. 10, 2021- 3 - 4Fortress of SoundNov. 03, 2021
- 3 - 3Statue of Liberty SecretsOct. 27, 2021
- 3 - 2Rebuilding the Hoover DamOct. 20, 2021
- 3 - 1Empire State Building DecodedOct. 13, 2021
