Ключевые слова: 40 years, 40s, adult, architecture, banker, building, business, business person, businessman, ceo, city, communication, confident, discussion, equipment, europe, frankfurt am main, germany, glasses, horizontal, human settlement, job, looking, male, man, manager, mature adult, men only, mid adult, mobile phone, modern architecture, on the phone, one man, one person, outdoors, people, phone, photo, professional, skyline, skyscraper, telecommunication, urban scene, view, white,