S11E15
Super Steel, Wool, Kiteboards
7 Kasım 2014
22 dk
A look at the process of forging super steel to make cars lighter, greener and safer, and how Australia's 80 million sheep are sheared every spring.
A look at the process of forging super steel to make cars lighter, greener and safer, and how Australia's 80 million sheep are sheared every spring.