Palestinian boys stand on top of another as he lays on iron nails, broken glass and knives during a training session at the Red Dragon martial arts club in Beit Lahia, northern Gaza on November 19, 2009. UPI/Ismael Mohamad | License Photo

Palestinian boys stand on top of another as he lays on iron nails, broken glass and knives during a training session at the Red Dragon martial arts club in Beit Lahia, northern Gaza on November 19, 2009. UPI/Ismael Mohamad | License Photo

A Palestinian boy pushes iron bars with his neck during a training session at the Red Dragon martial arts club in Beit Lahia, northern Gaza on November 19, 2009. UPI/Ismael Mohamad | License Photo

A Palestinian boy pushes iron bars with his neck during a training session at the Red Dragon martial arts club in Beit Lahia, northern Gaza on November 19, 2009. UPI/Ismael Mohamad | License Photo

A Palestinian boy walks on knives during a training session at the Red Dragon martial arts club in Beit Lahia, northern Gaza, on November 19, 2009. UPI/Ismael Mohamad | License Photo

A Palestinian boy performs flexibility exercises on broken glass during a training session at the Red Dragon martial arts club in Beit Lahia, northern Gaza, on November 19, 2009. UPI/Ismael Mohamad | License Photo

A Palestinian boy does a head stand on broken glass during a training session at the Red Dragon martial arts club in Beit Lahia, northern Gaza on November 19, 2009. UPI/Ismael Mohamad | License Photo

A Palestinian boy stands on iron nails during a training session at the Red Dragon martial arts club in Beit Lahia, northern Gaza, on November 19, 2009. UPI/Ismael Mohamad | License Photo

A Palestinian boy stands on iron nails during a training session at the Red Dragon martial arts club in Beit Lahia, northern Gaza, on November 19, 2009. UPI/Ismael Mohamad | License Photo

A Palestinian boy drops a knife onto the stomach of another during a training session at the Red Dragon martial arts club in Beit Lahia, northern Gaza on November 19, 2009. UPI/Ismael Mohamad | License Photo

Palestinian boys participate in a training session at the Red Dragon martial arts club in Beit Lahia, northern Gaza, on November 19, 2009. UPI/Ismael Mohamad | License Photo

A Palestinian boy does a head stand on broken glass during a training session at the Red Dragon martial arts club in Beit Lahia, northern Gaza, on November 19, 2009. UPI/Ismael Mohamad | License Photo

Palestinian boys participate in a flexibility training session at the Red Dragon martial arts club in Beit Lahia, northern Gaza, on November 19, 2009. UPI/Ismael Mohamad | License Photo

Palestinian boys participate in a training session at the Red Dragon martial arts club in Beit Lahia, northern Gaza, on November 19, 2009. UPI/Ismael Mohamad | License Photo

Palestinian boys participate in a training session at the Red Dragon martial arts club in Beit Lahia, northern Gaza, on November 19, 2009. UPI/Ismael Mohamad | License Photo

Palestinian boys attend a training session at the Red Dragon martial arts club in Beit Lahia, northern Gaza on November 19, 2009. UPI/Ismael Mohamad | License Photo

Palestinian boys participate in a training session at the Red Dragon martial arts club in Beit Lahia, northern Gaza, on November 19, 2009. UPI/Ismael Mohamad | License Photo