S13·E17 – Gemstones, Cowboy Boots
2016-12-05 • 22 min
How do they mine one of the rarest gemstones in the world, craft the classic cowboy boot, and build a road sweeper that can pick up seven tonnes of trash?
2016-12-05 • 22 min
How do they mine one of the rarest gemstones in the world, craft the classic cowboy boot, and build a road sweeper that can pick up seven tonnes of trash?