Watch: Caravans of Arabia (ARTE)

Hegra (Mada's Salih) is known as one of the important centres used by the Nabataeans. Photo: Shutterstock.com

Archaeologist Laïla Nehmé embarks on an extraordinary scientific expedition and adventure: Recreating a camel caravan across Saudi Arabia to learn more about the ancient Arab people, the Nabataeans, who were wealthy traders across the vast desert.