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.
The mine 100 miles south of Pakistan's capital Islamabad is the largest and oldest salt mine in the country, drawing up to 250,000 visitors a year. Khewra was discovered back in 320 BC by Alexander the Great's troops, but trading started in Mughal era in the sixteenth century.