Stock Photo: Steep slope of the North Rim of Grand Canyon in autumn, forested with spruce, fir, and quaking aspen trees. Populus tremuloides. Kaibab Plateau, Grand Canyon National Park, Arizona, USA.

Stock Photo: 1899-49744 Steep slope of the North Rim of Grand Canyon in autumn, forested with spruce, fir, and quaking aspen trees. Populus tremuloides.  Kaibab Plateau, Grand Canyon National Park, Arizona, USA.