Ключевые слова: adult, arabian, bicycle, break, business, businessmen, businesspeople, caucasian, chat, city, clear, coffee, colleague, communications, commuter, commuting, convenience, conversation, daytime, ethnicity, face, formal, friendship, front, gesturing, holding, leisure, looking, male, men, occupations, outdoors, people, professional, standing, talk, talking, togetherness, transportation, walk,