Dirty Great Machines S01E03 - Deep Sea Giants

We climb aboard monster maritime machines that go where others fear to float. Man's desire for natural resources is insatiable, whether it is to power our homes, fuel our cars or build our skyscrapers, but with reserves on land running dry, we are now looking to the oceans to satisfy the needs of 21st-century living. This program showcases the cutting-edge machines at the forefront of this assault.