In the 1960s, archaeologists working in China made an extraordinary discovery. They unsealed the twelve-hundred-year-old tomb of a princess. Its walls were covered in magnificent murals - an unprecedented glimpse into life during the Tang dynasty. This documentary tells the fascinating story of the great Empire that made those murals, of the Silk Road that connected it to the world, and of the rebellions and disaster  Cast  Charles Darwent  Charles Hill  Martin Bailey  Calandra Caldecott  Tabitha Becker-Kahn  Mark Steere  Jonathan Kydd  Nicholas Audsley  Joseph Lindoe