Ключевые слова: 2024 years, 2529 years, above 21, beard, beijing, brown hair, business, business people, business travel, businessman, caucasian ethnicity, cheerful, china, chinese ethnicity, colleague, color image, communication, commuter, confidence, connection, corporate business, coworker, direction, discussion, facial hair, happiness, holding, journey, listening, looking down, middle eastern ethnicity, mobile phone, multiethnic group, on the move, passenger, people in a row, photography, public transportation, routine, selective focus, short hair, side view, sitting, smiling, subway train, suit, talking, technology, three people, three quarter length, togetherness, toothy smile, train interior, transportation, travel, using phone, vehicle interior, vertical, welldressed, wireless technology, young men,