S7·E2 – Diggers, Taste Of The Orient, Into The Void
2010-06-10 • 22 min
How do they operate the world's most versatile construction machines? Plus, how do they maintain the Willis Tower Skydeck in Chicago?
2010-06-10 • 22 min
How do they operate the world's most versatile construction machines? Plus, how do they maintain the Willis Tower Skydeck in Chicago?