Khor AL Meleh is one of the largest salt lakes in the Arab world. It is located on an area of about five kilometers in the Sultanate of Oman, Qurayyat. where the workers dig holes in square shapes, each hole reaches a depth of about a meter, while letting the sunlight to interact naturally with the oxidation of salt water in this lake, which produces beautiful colors for those square holes too, while the production capacity of this lake of natural salt is about one ton per month, making it a real source of natural salt resulting from the interaction of water and sunlight only without any human intervention in this process.