Stock photography, photos: A man skiing powder snow Stock photos of A man skiing powder snow in the Sierra mountains. Photograph: © William Stevenson Click for a larger image and more information Keywords associated with this stock photo: skiing, skier, ski, high, back, country, fast, active, effort, energy, liveliness, speed, momentum, motivation, strength, strong, challenge, desire, difficult, skill, adventure, risk, danger, extreme, radical, playfulness, fun, alpine, powder, snow, winter, cold, man, male, solo, alone, sierra, mountains, tahoe, backlight, backlit, CA, California, outdoor, outdoors, outdoorsman, outside, sports, sport, sportsman, recreation, recreational, exercise, exercising, physical fitness, one, 1, person, 20s, twenties, 30s, thirties, exciting, excite, adrenalin, thrill, thrilling, athlete, athletic, vertical, Bart