'Thousands' of bones were discovered below the Vatican on Saturday as investigators attempt to solve the mystery of a 15-year-old girl who disappeared 36 years ago.Emanuela Orlandi's family's representatives, who have been searching for the girl since 1983, were present at the Vatican when the containers holding the bones were unsealed.Emanuela's sister, Federica, represented her family with their lawyer, Laura Sgro, and forensic expert, Giorgio Portera.The family stayed at the Vatican site for six hours.