Use left pairs for crossed vision; use right pairs for straight vision.
Use top pairs for crossed vision; use bottom pairs for straight vision.
| R |
| R |
| L |
University of Alaska Fairbanks ski trails in summer.
| R |
| R |
| L |
University of Alaska Fairbanks ski trails in autumn.
| R |
| R |
| L |
University of Alaska Fairbanks ski trails in winter.
| R |
| L |
| L |
| R |
Typical spruce taiga or boreal forest along trails in Alaska.