Ключевые слова: blue, boy, brother, child, close, close up, closed, dark hair, evening, exhausted, eyes, face, girl, hand, hands, handsome, hard, hard working, homework, kid, kids, learning, life, lifestyle, little, mouth, one, open, overstrain, portrait, preteens, school, school kids, similar, sister, sleepy, strain, studying, teenage, teenager, teens, tired, tiredness, up, wall, white, work, yawn, yawning, young,