Children playing in a pool in Dadaab refugee camp, eastern Kenya, on Tuesday Nov. 3, 2009. Aid agencies fear the onset of the rainy season will flood many of the makeshift dwellings, but the camp is already so crowded it is hard to find places to put them. (AP Photo/Riccardo Gangale)

Children playing in a pool in Dadaab refugee camp, eastern Kenya, on Tuesday Nov. 3, 2009. Aid agencies fear the onset of the rainy season will flood many of the makeshift dwellings, but the camp is already so crowded it is hard to find places to put them. (AP Photo/Riccardo Gangale)