Palestinian parkour trainer Ahmed Abu Hasira "myuz",35, trains children outside his home, in Gaza City on August 18, 2020. Parkour is an activity that can be practiced alone or with others and is usually carried out in urban spaces. Parkour includes running, climbing, swinging, vaulting, jumping, plyometrics, rolling, quadrupedal movement (crawling) and other movements. Photo by Mahmoud Ajjour