A view of the collapsed earth bank looking into the sewage basin, Umm Nasser, Gaza, 7 April 2007. Thousands of tons of sewage surged into the village of Umm Nasser. The level of sewage in the pool had increased, creeping up the earth embankments around th

A view of the collapsed earth bank looking into the sewage basin, Umm Nasser, Gaza, 7 April 2007. Thousands of tons of sewage surged into the village of Umm Nasser. The level of sewage in the pool had increased, creeping up the earth embankments around th
Tom Spender/IRIN