A Yemeni man, chewing qat, a mild natural narcotic widely used in Yemen, looks for recyclable items at a garbage dump near the Yemeni capital Sanaa, on May 9, 2012. Yemen is one of the poorest countries in the Arab region facing multiple challenges and crisis. Recently it witnessed a decline in the humanitarian and livelihood conditions, due to natural and human-made disasters, including armed-conflict and political unrest. AFP PHOTO MOHAMMED HUWAIS (Photo credit should read MOHAMMED HUWAIS/AFP/GettyImages)