Ключевые слова: american, business, business people, businessman, businesswoman, caucasian ethnicity, commuter, commuting, compartment, confident, cropped, daily, differential focus, energetic, enjoy, formal, handle, hands, hispanic ethnicity, holding, horizontal, human arm, journey, korean ethnicity, light rail, modern life, morning, multiethnic, office worker, on time, passenger, photography, power, professional, public transportation, routine, small group of people, standing, strap, subway, successful, suit, train, transport, travel, unrecognizable person, vertical, white collar, work, young man,