hiking, hiker, colorado, aspen, bells, lake, pine trees, backpack, wearing, person, field, orange, surrounded, black, mountain, daytime, walking, shirt, green, bell, american state, walk, pedestrian, daylight, conifer, traveler, clothing, district, travel, haversack, pine, woody plant, state, plant, someone, knapsack, day, signaling device, acoustic device, hike, tree, bag, poplar