Ключевые слова: abstract, action, active, activity, adult, aerobic, background, beautiful, bike, biking, blue, blur, blurred, child, city, colorful, concept, dance, defocused, equipment, exercise, family, female, fit, fitness, fun, green, group, happy, health, healthy, leisure, lifestyle, man, natural, nature, outdoor, park, people, person, playground, public, recreation, road, sport, summer, training, tree, women, young,