Iz en.wikipedia v Zbirko prenesel uporabnik Maksim.

In May 2001, User:Ke4roh snapped this picture of the tree-line at Berthoud Pass, Colorado (elevation 3,446m (11,307 feet)), near Rocky Mountain National Park, looking west. (39°47'54" N, 105°46'40" W)

The tree-line can be compared to the shore of a lake. From sufficient distance, it looks precise. If you get closer, though, you see little pockets of water around the edges, and you notice the ground is wet. The tree line is very similar, just on a larger scale. Up close, as you ascend you see trees that grow with branches only on one side (the downhill side, as the near trees above), then you'll see little shrub-size trees, then no trees whatsoever. They call these mountains the Never Summer Mountain Range, and with good reason. Winds sometimes get to 175 miles per hour (280 km/h), and at elevations on the order of 12,000 feet (3700m), it's chilly year-round.

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