Ключевые слова: adult, aged, athlete, background, body, bottle, break, city, drink, earphones, exercise, fit, fitness, fitness tracker, gadget, gray, happiness, happy, headphones, healthy lifestyle, jog, jogger, looking, man, muscles, muscular build, one person, outdoor, people, power, practicing, recovery, relax, rest, run, runner, smart watch, smile, sport, sportsman, stairs, step, thirsty, tired, training, upstairs, urban, watch, water, workout,