Ключевые слова: 2024 years, 20s adult, 2529 years, 30s adult, 3539 years, active lifestyle, active wear, adult, athlete, balance, caucasian ethnicity, concentration, confidence, crossfit, customer, daytime, dedication, determination, effort, energy, exercise equipment, exercise weight, exercising, female, fitness training, four, four people, friendship, front view, fulllength, gym, hand weight, healthy lifestyle, indoors, kettlebell, leisure, lens flare, lifestyle, looking up, male, men, midadult, midadult man, midadult woman, muscle training, people, physical training, poland, sports, strength, strength sports, sunshine, togetherness, warsaw, weight, window, women, young adult, young adult man,