Ключевые слова: active, aerobic, africa, african, afro, america, american, argentina, athletic, bicycle, bike, bikes, black, brazil, brazilian, cardio, caucasian, coach, cycle, cycling, different, energy, equipment, ethnic, european, exercise, exercycle, fitness, friends, gym, happy, hispanic, instructor, latin, latino, leading, machine, mexican, mulatto, multicultural, people, portrait, racer, russian, spain, spanish, sport, teacher, training, workout,