Ключевые слова: activity, adolescent, background, blurred, city, city life, cityscape, crowd, crowded, downtown, foot, lifestyle, motion, outdoor, pedestrians, people, riding, skate park, skateboard, skateboarder, skateboarding, skating, sport, street, street scene, teen, teenage, teenager, teenager s foot, urban, urban setting, young, youth, youth culture, youthful,