Yellow aspen trees in the fall, Uncompahgre National Forest, Colorado, United States of America, North America

travel destination photography vertical colour image day outdoors colorado united states of america north america autumn aspen tree uncompahgre national forest scenics landscape non urban scene physical geography forest nature tree abundance growth populus tremuloides elevated view national forest no people usa us united states american north american colour color image color outside tourist destination travel nobody no one no one topography scenery scenic scene scenes picturesque the natural world