The shallow lagoon surrounding the island of Mozia is ideal for extracting salt from the sea. And, for thousands of years, locals have labored in salt pools like these as part of this essential industry. Rick: So, Alfio, this is, like, a mountain of salt with tile to protect it from the wind. Alfio: The Carthaginians, when they came here, they established this salt flats in the eighth century BC. Rick: Now, the Carthaginians came about 800 years before Christ.