bull jumping ceremony which is the passage for any young man within the Hamer and Banna tribe.

Either side of the long summer rains, communities across the Omo Valley in south-western Ethiopia will gather for the event.

In the shade of a tree next to a dry riverbed, the teenage bull jumper stares silently into the distance contemplating the task ahead.

If he manages to run across the backs of a line of cattle, he becomes known as a Maza - accomplished one - and is entitled to take the first of several brides