Woman wearing headphones doing push-up on beach

color image horizontal side view outdoors sunset dusk one person people 25 29 years young adult young women one young woman only only women caucasian appearance focus on foreground selective focus sea water beach sand coastline brown hair looking away summer ponytail sunbeam sunlight wave sports bra sportswear black arm band smart phone communication headphones listening music push ups strength exercising healthy lifestyle vitality leisure activity wrist watch