exploration, photojournalism, photo story, travelMatt McDonaldMay 17, 2013yosemite, hiking, outdoors, merced river, half dome, el capitan, on the road Yosemite Questions exploration, photojournalism, photo story, travelMatt McDonaldMay 17, 2013yosemite, hiking, outdoors, merced river, half dome, el capitan, on the road
