On a hot day in January, tribesmen armed with Kalashnikov and G3 assault rifles bring their cattle to water in the dry Turkana region of northern Kenya. The men herd cattle, sheep and goats, protecting their livestock from rivals.
The Turkana are armed with clean, well-maintained rifles because of frequent feuding with other tribes, among them the Samburu and Pokot. Cattle raids and rustling of livestock are common. The hustle and bustle of Kenya's capital Nairobi, with its pollution and gridlocked traffic, seem worlds away.