In Germany, in the east of Hesse it is the world's largest artificial mountain of salt Monte Kali or as it called by the locals "Kalimandzharo". Hill began to grow in 1973 as a result of mining potash (potassium oxide) and now its height is greater than 200 meters, and the area is 100 hectares. The world's largest potash mine on extraction, hourly produces 900 tons of sodium chloride (table salt), which is a by-product. Huge dump contains about 188 million tons of salt, polluting the soil and local water bodies.