Archaeologists say they have found a complete skeleton buried beneath the floor of an abandoned nunnery in Florence, Italy, which might belong to Lisa Gherardini, the woman believed to have inspired Leonardo da Vinci's Mona Lisa. The bones were found beneath the remains of an altar in the church of the now derelict Convent of St. Orsola. "That altar was certainly in use at Lisa Gherardini's time," said Valeria D'Aquino, an archaeologist at the Tuscan Superintendency