Petropavlovsk, Kazakhstan - August 30, 2016: Fitness, sport, healthy lifestyle concept - group of happy teenage friends or sportsman, outdoors street. Kazakhstan marks Constitution Day. Shutterstock Image - Petropavlovsk, Kazakhstan - August 30, 2016: Fitness, sport, healthy lifestyle concept - group of happy teenage friends or sportsman, outdoors street. Kazakhstan marks Constitution Day. - ID: 476427610