african americans, african ethnicity, african-american, afro american, afro-american, aspiration, aspirations, back lit, back-lit, backlit, blacks, caucasian ethnicity, caucasians, checking, checking the time, color, color image, colored, colors, colour, colours, day, daylight, daytime, diversity, energy, exercise, exercised, exercises, exercising, few, fifty, fit, fitness, fitness instructor, fitness instructors, four, four people, groups, hardiness, hardy, headshot, health, healthy, healthy lifestyle, healthy lifestyles, healthy living, horizontal, horizontally, horizontals, human, human being, humans, instructor, leisure, leisure activities, leisure activity, leisure time, lifestyle, man, mature adult, mature men, mature women, men, mid life, middle age, middle aged, middle-age, middle-aged, mixed race people, mixed race person, motivation, multi ethnic group, multi-ethnic group, multi-racial, outdoor, outdoors, outside, people, person, personal trainer, photographic, photography, physical fitness, power, pushups, selective focus, spare time, strength, strengths, strong, three quarter length, three-quarter length, time, trainer, vitality, watch, watches, well, well-being, wellbeing, wellness, whites, wholesome, woman, women, work-out, work-outs, working out, workout, workouts, wristwatch, young, young adult, young men, young women, active lifestyles, europe, of african descent, scandinavia, sweden, western european