BBC NEWS | Africa | Billy's journey: Crossing the Sahara: "Billy, 41, from Guinea, tells the extraordinary tale of how he crossed the Sahara Desert to reach Morocco, where he smuggled himself into the Spanish enclave of Ceuta. He is now working in Italy, where he has been given a residence permit, and has just been back to see his family for the first time since he set out on his adventure more than four years ago."