In this photo provided by the United Nations, U.N. Secretary General Ban Ki-moon's helicopter flies over the flood waters in the Province of Punjab, near the city of Multan in Pakistan, Sunday, Aug. 15, 2010. U.N. Secretary General Ban Ki-moon said Sunday he has never seen anything like the flood disaster in Pakistan after surveying the devastation and urged foreign donors to speed up assistance to the 20 million people affected. (AP Photo/United Nations, Evan Echneider)