Ключевые слова: activity, age, attention, boy, candid, carefreeness, casual, child, childhood, children, concentration, curiosity, emotions, engagement, environment, exploration, expression, face, focus, friendship, fun, happiness, individuality, innocence, joy, leisure, lifestyle, looking, moment, mood, natural, nature, outdoor, personality, perspective, playful, playground, portrait, school, serious, sitting, summer, young, youth,