How Do They Do It?

Season 7 Episode 2: Diggers, Taste Of The Orient, Into The Void

How do they operate the world's most versatile construction machines? Plus, how do they maintain the Willis Tower Skydeck in Chicago?

Genre:

Documentary

Seasons:

17

Episodes:

287

Cast:

Quality:

HD

Duration:

22 min

First Air:

2006

Rating:

7.5