Stock photography, photos: A man bouldering Stock photos of A man bouldering at The Buttermilks, CA. Photograph: © William Stevenson Click for a larger image and more information Keywords associated with this stock photo: Rock climbing, rock, bouldering, Buttermilks, climbing, bouldering, boulder, high country, back country, active, effort, endurance, enduring, determination, concentration, strength, strong, power, challenge, desire, difficult, skill, grace, risk, danger, extreme, radical, freedom, man, male, solo, self reliance, morning, evening, sierra, mountains, spring, summer, California, desert, vertical, Kell, outdoors, outdoorsman