In the heart of the French region of Burgundy lies a hidden city that's been dormant for 2,000 years. It's called Bibracte. Thanks to topographic maps using LIDAR technology as well as spectacular computer-generated imagery, you're about to discover the evidence of galloping Romanization, notably through a sophisticated hydraulic system, a forum, and a basilica. 　　Narrator: Olivi... (展开全部)