Dan Snow attempts to use the latest satellite technology to reveal the secrets of the Roman Empire, identifying lost cities, amphitheatres and forts.

Uan Muhuggiag is a place in the central Sahara located in Libya, and the name of the mummy of a small boy found there in 1958 by Professor Fabrizio Mori. The mummy displays a highly sophisticated mummification technique, and at around 5,500 years old is older than any comparable Ancient Egyptian mummy.