Ключевые слова: 3, 2025, 2030, 2530, adolescence, adolescent, adult, african, african american, african ethnicity, africanamerican, afro american, afroamerican, america, american, americas, anguish, apathy, asian ethnicity, attitude, black, bored, boredom, boring, boy, buddy, ca, california, caucasian, child, children, chinese, chinese ethnicity, chum, companion, companionship, comrade, cool, day, daylight, daytime, detachment, discontent, discontentment, disgruntled, dissatisfied, distress, far eastern, fellow, female, friend, friendship, front view, gal, girl, grief, group, heartache, human, human being, immaturity, impassive, indifference, juvenile, kid, lad, lady, leisure, leisure activity, leisure time, lethargy, looking at camera, male, melancholy, minor, mixed, mixed race person, north america, oakland, of african descent, oriental, outdoor, outdoors, outside, pal, people, person, portrait, portraiture, posing, profile, protesting, puberty, pubescence, railway, rebellion, regret, relationship, relaxation, relaxing, resting, sad, sadness, serious, seriousness, side view, sideview, solemn, somber, sorrow, spare time, teen, teenage, teenager, three, three people, togetherness, train track, trendy, twenties, twenty, unhappiness, united states, united states of america, unsatisfied, us, usa, waist up, waistup, west coast, western european, woe, woman, women, young, young adult, youngster, youth, youth culture, youthful,