Tony Lip, a bouncer in 1962, is hired to drive pianist Don Shirley on a tour through the Deep South in the days when African Americans, forced to find alternate accommodations and services due to segregation laws below the Mason-Dixon Line, relied on a guide called The Negro Motorist Green Book.
Bettany Hughes goes in search of this lost civilisation, revealing the story of a city founded out of the desert by Alexander the Great in 331 BC to become the world\'s first global centre of culture. The documentary also looks at the role of astronomer and philosopher Hypatia, and incorporates stunning footage from the feature film \'Agora\'.