Marble from all parts of the Empire: yellow from Numidia, red from Peloponnese, pink alabasters from Algeria, blood red from Thebaid. A strictly scientific film, inspired by the art "Marmora Romana" by Raniero Gnoli, tells of the "hunters of marbles" yesterday and today in search of deposits sometimes more precious than gold, those of the "shining stone", that over the centuries, has been carved to enhanced the divine gift of emperors, to have portraits of splendid women, warriors, slaves, mythological beings and divinities. Powerful and stupendous works like those that made imperial Rome unique, with marbles from all over the empire