Lake Magadi, an alkaline lake of the Rift Valley system, is situated in a vey hot region of southern Kenya. The pink-tinged mineral encrustation's are mined for a variety of commercial uses and are continually replenished from underground springs. Wild sisal, sansevieria, flourishes in poor soil in the foreground of the picture while the Nguruman Escarpment (a western wall of the Great Rift Valley) dominates the landscape in the far distance.