Palestinian youths practice their parkour skills in Khan Younis in the southern Gaza Strip on Sept. 12. Originally developed in France, parkour is a physical discipline of movement focused on overcoming obstacles. Training is held in cemeteries and in former Israeli settlements. The ages of the young people practicing parkour range from 12 to 23 years old.

Palestinian youths practice their parkour skills in Khan Younis in the southern Gaza Strip on Sept. 12.