Uvinza Salt Works Site - Credit: Wikimedia Commons
Uvinza Salt Works (Eneo la uchimbaji wa chumvi mawe ya Uvinza in Swahili ) are salt mines that have been in used since the Iron Age. There are numerous brine springs in the area. The site is located in the town of Uvinza in Uvinza District of Kigoma Region in Tanzania. Read more on Wikipedia
Source: en.wikipedia.org