(AP) - Pakistani flood survivors wait to be evacuated in Khairpur Nathan Shah in Dadu district of Sinh province, Pakistan on Saturday, Sept. 4, 2010. The floods, spawned by heavy rains weeks ago in Khyber Pakhtunkhwa and elsewhere in the mountains of northern Pakistan, have killed more than 1,600 people and affected about 20 million people. The waters are still swamping rich agricultural land in the southern provinces of Sindh and Punjab. (AP Photo/Pervez Masih)

(AP) - Pakistan army soldiers rescue people stranded in floodwaters in Khairpur Nathan Shah in Dadu district of Sinh province, Pakistan on Saturday, Sept. 4, 2010. Pakistani flood victims move to safer areas in Baseera near Multan, Pakistan on Saturday, Sept. 4, 2010. The floods, spawned by heavy rains weeks ago in Khyber Pakhtunkhwa and elsewhere in the mountains of northern Pakistan, have killed more than 1,600 people and affected about 20 million people. The waters are still swamping rich agricultural land in the southern provinces of Sindh and Punjab. (AP Photo/Pervez Masih)