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 discovery of China's Terracotta Army in 1974 captured the imagination of the world. But that first dig only revealed a fraction of this enormous and extraordinary treasure. Since then, scientists have resumed work on the site, and their research has turned up a series of new discoveries about the warriors and the p…

伦敦是地铁的发源地。在开通了一百多年后，伦敦地铁错综复杂的线路中，古老的隧道与现代化的车站交织在繁忙的伦敦街道之下。虽然乘客们早已习以为常，但地铁中蕴藏的历史可谓波澜壮阔。从第一辆蒸汽火车鸣笛，到穿越泰晤士河，到空袭时成为防空洞，地铁的发展史便是城市的发展史，记载着人类创造的奇迹，价值的取向，金钱的诱惑，以及灾难来临时…