Ключевые слова: activity, adult, adults only, bicycle, bike, business, city, city life, city street, color image, communication, commuter, cycle, cycling, cyclist, horizontal, internet, lifestyle, looking, man, message, mobile, mobile phone, one man only, one person, online, only men, outdoor, phone, portable information device, reading, relaxation, riding, sitting, smart phone, social media, street, student, technology, text messaging, transportation, typing, urban, wellbeing, wireless technology, young adult,