middle aged woman on exercise machine in outdoor gym in public park

50s belgium lake doyards sspd vielsalm active adult ardennes asian body cardio training caucasian concentrated concept courtyard elderly equipment exercise female fitness full gym happy healthy isolated leg life lifestyle mature metal mexican middle aged nature old one open air outdoor park people person physical portrait public senior smile sport sporty square trainer treadmill walking woman workout machine exercises wearing winter clothing jacket hat gloves cloudy day province luxembourg