In the last gasp of autumn, a few sparse leaves cling to bare branches of an aspen tree, Populus tremuloides. Aspens have heart-shaped leaves that tremble in the slightest breeze which is why they are also called "quaking aspens." Backlit in warm sun, the tree native to North America, thrives in the higher altitude of the San Juan Mountains in Colorado.
- MELISSA FARLOW
- Image Size
- 3252x4908 / 4.5MB
- Contained in galleries
- The Big Open_Public Lands_National Geographic magazine and book 8/2001