Pastoralists under pressure: for hundreds of years, the Borana people of southern Ethiopia have reared cattle on the arid plains close to the Kenyan border according to a traditional form of land management. Now, however, external pressures are threatening to destroy their way of life.(ETHIOPIA)

Dust fills the air, kicked up by the agency of the long line of camels and cattle trudging towards a reaching far down well from which drifts the unbroken of men singing. Rising from the well's profunditys is a human chain, whose links pass bucket up and down in time with the singing. The livestock drinks deep from the troughs that encompass the well's mouth, draining them as quickly as they're filled.

This is Borana, a region the size of Hungary in southern Ethiopia near the border with Kenya where rain is erratic and ariditys are frequent. Its tribe who share the region's name, are semi-nomadic