罗马隐藏的城市

With the help of a team of experts and the latest in 3D scanning technology, Alexander Armstrong, along with Dr Michael Scott, explores the hidden underground treasures that made Rome the powerhouse of the ancient world. In his favourite city, he uncovers a lost subterranean world that helped build and run the world's first metropolis and its empire.　　From the secret underground..国主为万氏世族，治下有大城二十余座，小城过百，人口近亿。