Ключевые слова: activity, background, bay, beach, bulgaria, child, childhood, children, city, climb, coast, empty, equipment, exercise, fun, game, games, ground, happy, holiday, kid, kids, leisure, nature, ocean, outdoor, park, plastic, play, playground, playtime, recreation, sand, sea, slide, slider, summer, sun, sunrise, sunset, swing, toy, vacation, varna, wooden,