Keywords
30's, 30-34 years, 30-35, 30-40, 30s, 35-40, ache, adult, adversity, aggression, aggressive, arduous, arm, arms raised, attempting, blurred motion, blurry, boxer, boxing, boxing glove, boxing ring, brutality, caucasian, challenge, challenging, closed eyes, color, color image, colour, competing, competition, danger, defeat, defending, demanding, difficult, difficulty, directly above, discipline, endangering, endeavoring, energy, equipment, exercise, exhausting, exhaustion, eyes closed, eyes shut, failure, falling, fatigue, fellow, fitness, floor covering, force, front view, frowning, gentleman, grimacing, guy, hardship, hazardous, health, high angle, high angle view, human, human being, hurt, indoor, indoors, injury, inside, instructing, intensity, jeopardizing, knockout, laying, male, man, mat, mid adult, mouth guard, mouth open, one, one person, open, pain, people, perilous, perseverance, person, photography, physical fitness, power, prizefighter, prizefighting, protection, raised, raising, risk, risk-taking, rug, safeguard, safety, security, sport, sports, strength, striving, struggle, teaching, thirties, thirty, tired, trainer, training, tribulation, undertaking, unsuccessful, vertical, violence, waist up, waist-up, wearying, western european, stock image, images, royalty free photo, stock photos, stock photograph, stock photographs, picture, pictures, graphic, graphics, fine art prints, print, poster, posters, mural, wall murals, bld195743