30-35 30-40 35-40 60-65 60-70 65-70 70-75 70-80 75-80 ability accelerating adult adversity after dark aiding american approaching arriving assisting associate attentive attentiveness bare bare chest bare-chest bare-chested blurred motion blurry care care giver care-giver caregiver caring caucasian chest co-worker colleague color color image colour coming concentrating concentration considerate cooperation crisis danger dark departing difficulty doc doctor efficiency elderly emergency emergency services ethnicity evening exiting expertise fast fellow female four four people front view gal general practitioner gentleman going group gurney guy hardship haste hazard health-care healthcare healthcare professional healthcare worker helping helplessness hispanic horizontal human human being hurrying ill illness indoor indoors inside insurance jeopardy journey know-how lady latin latin american latina latino leaving life saving long exposure male man medic medical medical care medical science medicine men and women mid adult motion movement multi-ethnic group night nightfall nighttime nite nurse occupation old paramedic patient people perilous person photography physician quick rapid senior senior adult senior citizen serious seriousness seventies seventy shirtless sick sickness sixties sixty skill solemn solicitous somber speed standing susceptible swiftness team teammate teamwork technique thirties thirty thoughtful time exposure time lapse time-exposure time-lapse togetherness topless transit transport transportation transporting trauma travel traveling travelling treacherous tribulation trip vulnerability waist up waist-up western european woman women work working contains people