Hot Salt: NatGeo’s Katia Andreassi writes: “Northern Ethiopia’s Afar Depression—also called the Danakil Depression—is one of the hottest places on Earth. Parts of the region are more than 300 feet below sea level, forming a cauldron where temperatures reach above 120 degrees Fahrenheit in the summer and active volcanoes roil.”
Photo Credit: Siegfried Modola; Reuters
The colorful and extreme Afar is also home to a valuable commodity: salt. For centuries the Afar people have mined rich salt deposits left behind from Red Sea floods in the region—most recently, 30,000 years ago. Today, workers cut slabs of salt from the earth and pack them on to camels for a days-long journey across the desert to a market town where the slabs are sold to merchants and loaded on to trucks. (Read more about the Afar people and the salt trade.)The production and use of salt dates to 6050 BCE; and since then it has varied uses, from its use as currency to its use for religious rituals as a method of purification.
You can read the rest of the article, including seeing more photos, at [NatGeo]