'The porters trudge from sunrise to 10 or 11 a.m., and sometimes, though rarely, they will travel twice a day, resting only during the hours of heat. They work with a will, carrying uncomplainingly huge tusks, some so heavy that they must be lashed to a pole between two men. Their shoulders are often raw with the weight, their feet are sore, and they walk half or wholly naked to save their cloth for displays at home.

They ignore tent or covering, and sleep on the ground