Ключевые слова: 2, adult, age, arm, background, bond, bump, business, caucasian, closeup, concept, cooperation, daughter, deal, elderly, female, fist, fist bump, friend, friendship, gesture, girl, granddaughter, grandmother, granny, greeting, hand, handshake, isolated, knuckle, lady, legal guardian, mother, old, partner, people, person, power, secret handshake, senior, sign, strong, success, symbol, team, teamwork, together, white, woman, young,