Ключевые слова: candid, caucasian ethnicity, cheerful, close up, communication, confidence, correspondence, delivering, elegance, envelope, eyewear, greeting card, happiness, human body part, human hand, indoors, invitation, letter, mail, men, message, modern, one man only, opening, people, place of work, positive emotion, sending, smart casual, smiling, standing, unrecognizable person, working, young adult,