Ключевые слова: 20s, 30s, athlete, ball, black, blue, caucasian, challenge, competition, competitive sport, court, determination, exercising, female, indoors, male, man, mid adult, millennial, mixedrace, preparation, preparing, professional sport, sitting, sport, sports activity, sports clothing, sports event, sports jersey, sports team, sports training, sports uniform, sports venue, sportsperson, stretching, team sport, teamwork, togetherness, volleyball, volleyball competition, warming up, woman, young adult,