In 1980 a French engineer who worked at a sugar factory near the base of Mount Elgon, in western Kenya, ventured into Kitum Cave, a deep passage into the volcanic rock of the mountain sometimes ...
This is form of salt mining. One cave called Kitum has been excavated over 160m deep, and was almost entirely made by elephants. The photos used were taken by a biologist called Ian Redmond, who is in ...