Ключевые слова: active, activity, back, background, beautiful, caucasian, child, childhood, city, cute, enjoy, exercise, extreme, fitness, fun, girl, happiness, happy, healthy, helmet, hobby, joy, kid, leisure, lifestyle, little, movement, nature, outdoor, outside, park, person, practice, practicing, preschool, protect, protection, ride, roller, rollerskating, safety, skate, skater, skating, sport, sporty, summer, young, youth,