Thousands of Palestinian children throw basketballs to the air to celebrate their attempt to break the world record for the number of basketballs bounced simultaneously in the destroyed Gaza international airport in Rafah southern Gaza Strip, Thursday, July 22, 2010. The top U.N. aid official says more than 7,000 Gaza children have simultaneously dribbled basketballs for five minutes in an attempt to enter the Guinness Book of World Records. (AP Photo/Khalil Hamra)

Photo by: Khalil Hamra

Thousands of Palestinian children throw basketballs to the air to celebrate their attempt to break the world record for the number of basketballs bounced simultaneously in the destroyed Gaza international airport in Rafah southern Gaza Strip, Thursday, July 22, 2010. The top U.N. aid official says more than 7,000 Gaza children have simultaneously dribbled basketballs for five minutes in an attempt to enter the Guinness Book of World Records. (AP Photo/Khalil Hamra)