Before he knew it, he was signing a contract with Pie Town Productions for the new show. The couple would buy, fix up and flip 13 houses in 13 episodes. Although the El Moussas were paid $10,000 per episode, the money they used to buy the houses was from their past investments, Christina El Moussa said.
As the water from this sea evaporated, salt crystals formed from the brine, along with other useful minerals such as gypsum (used for wall plaster) and potash (used for fertiliser). Rock salt is mined at Winsford in Cheshire, Boulby in North Yorkshire and Carrickfergus in Northern Ireland.
1 World's second largest salt mine has 18 working levels and 40 kilometres of tunnels. 2  Salt mine in Pakistan boasts a mosque made from salt, an electric train and an asthma clinic offering salt therapies. 3  Mine history dates back to 320 BC, following its discovery by Alexander the Great's troops.