16-17 years, caucasian appearance, challenge, cheerful, color mage, mat, determination, effort, europe, exercising, fitness, focus on foreground, gauting, gym, hands behind back, happiness, health club, healthy lifestyle, holding, horizontal, indoors, leisure, lifestyle, one person, photography, resistance band, side view, smiling, sports bra, towel, sportswear, strength, stretching, teenage girls, waist up, wellbeing
