Iraq's marshes are dying, and a civilisation with them

Marsh Arabs are forced to migrate from Iraq's Mesopotomian marshes hit hard by drought, leaving the water polluted and putting the livelihoods of water buffalo herders at risk. Even at their centre in Chibayish, only a few expanses of the ancient waterways -- home to a Marsh Arab culture that goes back millennia -- survive, linked by channels that snake through the reeds.