Ключевые слова: backpack, boy, buildings, calm, casual, caucasian, cell, city, clothes, communication, earphones, gadget, hold, laptop, lifestyle, looking, male, man, mobile, modern, outdoor, outside, people, person, phone, portrait, red, serious, smart, smartphone, street, student, technology, teen, teenage, teenager, thoughtful, urban, using, work, young, young man,