How Do They Do It?

Season 3 Episode 3: Empire State Building, Extracting Copper, Making a Car

How do they fix the mast on top of the Empire State Building? And how do they extract copper from the largest man made hole in the world?

Genre:

Documentary

Seasons:

17

Episodes:

287

Cast:

Quality:

HD

Duration:

22 min

First Air:

2006

Rating:

7.5