Jimmy Doherty goes to Sicily, Italy to see where our salt comes from. His journey takes him to the mountains and then deep underground into an amazing subterranean salt factory. Subscribe for more #FoodUnwrapped ➡️ http://bit.ly/FoodUnwrapped FOOD UNWRAPPED explores how our food is really made and the industry secrets behind our favourite produce. Reporters Matt Tebbutt, Jimmy Doherty and Kate Quilton travel the globe to discover just how the food we love is mass-produced. The series contacts supermarkets and manufacturers with simple questions about the food we buy, then visits the factories to investigate! Taking the cameras behind the doors of factories worldwide, the inquisitive food lovers meet food technicians, scientists, factory owners, growers, and producers in order to reveal weird and wonderful facts we never knew about our food. Watch full episodes on All4 👉http://bit.ly/FoodUnwrappedAll4 FACEBOOK 👉http://bit.ly/FoodUnwrappedFB TWITTER 👉http://bit.ly/FoodUnwrappedTW