Ключевые слова: 25s, 5060, active, adult, aerobic, age, athletic, bikes, caucasian, cycling, different, energy, equipment, european, exercise, exercycle, females, fitness, friends, group, gym, gymnasium, happy, healthcare, hobby, indoors, industry, loss, machine, mature, movement, muscular, people, physical, pleasure, portrait, racer, russian, smile, sport, sportswear, therapy, tracksuit, training, weight, wellbeing, women, workout, young,