Daoud Hari lost a way of life in Darfur. But amidst the carnage and turmoil, he found a new calling. As a Zaghawa tribesman in the Darfur region of Sudan, Daoud Hari grew up racing camels, attending weddings and playing games. But in 2003, helicopter gunships swooped down on Darfur's villages and shattered that way of life for ever.