Ключевые слова: african, african american, american, attractive, beautiful, black, braid, braids, call, cheerful, communication, conversation, device, emotion, ethnic, ethnicity, hall, happy, illuminated, inside, lifestyle, metro, metropolitan, mobile, mobile phone, modern, night, one person, phone, platform, public, smartphone, smiling, station, subway, talk, technology, tunnel, underground, urban, woman, young adult,