Last in the series examining current archaeological projects that are solving mysteries. 4: San Galgano and the Sword in the Stone. Galgano was a knight in Tuscany who laid down his sword to become a hermit. He is said to have thrust his sword into a rock around which a chapel was built to honour him. This saint and his sword have presented archaeologists with some mysteries, namely the final resting place of the former and the authenticity of the latter. To discover the answers,
Aubrey Manning follows the pilgrims to San Galgano's birthplace. Producer Helen Sharp