工程巨无霸

The world's most enormous machines are stripped down and torn apart to discover their hidden secrets and to reveal out how each one has changed our world in its own unique way. 　　Engineering Giants is a documentary series which takes a look at the making of some of the world's hughest machines. The world's most enormous machines are stripped down and torn apart to discover their hidden secrets and to reveal out how each one has changed our world in its own unique way. 　　Engineering Giants is a documentary series which takes a look at the making of some of the world's hughest machines.