© Man climbing up on frozen waterfall

© Young couple running through field

© Young women running through field

© Boy building tree house

© Woman with boxing gloves

© Portrait of a young man wearing a yellow sweater

© A man and a woman weight training at a gym, Sweden

© Thoughtful male worker with package using smart phone while standing against building in city

© Woman carrying box while standing by delivery van in city

© Woman running by delivery van while carrying box in city against clear sky

© Smiling coworkers using technologies while examining packages in delivery van

© Side view of male athlete exercising on parallel bars in forest

© Full length of female athlete performing plank position in forest

© Side view of determined female athlete with smart phone in arm band performing plank position at forest

© Full length of man aiming rifle while standing in forest

© Man jogging on hill by sea during sunny day

© Thoughtful lawyer holding book while leaning on shelf in library

© Confident female athlete exercising in health club

© Friends exercising on treadmills at health club

© Young woman jogging

© Healthy young woman running in fields

© Man swinging onto rope while rock climbing with water in background

© Cycling competition

© Low section of long distance skater

© Boys taking test