<a href="https://en.wikipedia.org/wiki/en:San_Rafael_Glacier" class="extiw" title="w:en:San Rafael Glacier">San Rafael Glacier</a> in the foreground and <a href="https://en.wikipedia.org/wiki/en:San_Quint%C3%ADn_Glacier" class="extiw" title="w:en:San Quintín Glacier">San Quintin Glacier</a> behind, Laguna San Rafael National Park <a rel="nofollow" class="external autonumber" href="http://www2.unesco.org/mab/br/brdir/directory/biores.asp?code=CHI+04&amp;mode=all">[1]</a>, northern Patagonia, Chile.  These are the main outlet glaciers on the western side of the <a href="https://en.wikipedia.org/wiki/en:Northern_Patagonian_Ice_Field" class="extiw" title="w:en:Northern Patagonian Ice Field">Northern Patagonian Ice Field</a>.  San Rafael is the most northerly <a href="https://en.wikipedia.org/wiki/en:tidewater_glacier" class="extiw" title="w:en:tidewater glacier">tidewater glacier</a> in the Southern Hemisphere.  Both giant glaciers have been undergoing rapid retreat in recent years <a rel="nofollow" class="external autonumber" href="http://news.bbc.co.uk/2/hi/science/nature/3662975.stm">[2]</a>.
<p>Stacked NASA <a href="https://en.wikipedia.org/wiki/en:World_Wind" class="extiw" title="w:en:World Wind">World Wind</a> images from the 1990 and 2000 NASA <a href="https://en.wikipedia.org/wiki/en:GeoCover" class="extiw" title="w:en:GeoCover">GeoCover</a> collections (<a href="https://en.wikipedia.org/wiki/en:Landsat" class="extiw" title="w:en:Landsat">Landsat</a> 4/5 and Landsat 7 TM/ETM false-colour images <a rel="nofollow" class="external autonumber" href="http://glcf.umiacs.umd.edu/portal/geocover/">[3]</a>).
</p><p><a rel="nofollow" class="external free" href="worldwind://goto/world=Earth&amp;lat=-46.74169&amp;lon=-73.85851&amp;alt=7238&amp;dir=-178.9&amp;tilt=66.8">worldwind://goto/world=Earth&amp;lat=-46.74169&amp;lon=-73.85851&amp;alt=7238&amp;dir=-178.9&amp;tilt=66.8</a>
</p>
(This is an <a href="https://en.wikipedia.org/wiki/en:animated_GIF" class="extiw" title="w:en:animated GIF">animated GIF</a> image.  If animation is not visible, it may be because <a href="https://en.wikipedia.org/wiki/en:Microsoft_Office_Picture_Manager" class="extiw" title="w:en:Microsoft Office Picture Manager">Microsoft Office Pictute Manager</a> has your GIF <a href="https://en.wikipedia.org/wiki/en:file_association" class="extiw" title="w:en:file association">file association</a>.  That application does not support GIF animation.  Change the association to any standard picture viewer, and restart your browser.)
<ul><li><b>Photograph: </b> NASA</li>
<li><b>Original: </b> <a href="//commons.wikimedia.org/wiki/User:Glen_Fergus" title="User:Glen Fergus">Glen Fergus</a></li>
<li><b>Derivative work: </b> <a href="//commons.wikimedia.org/wiki/User:AlMare" title="User:AlMare">AlMare</a></li></ul>
CC BY-SA 3.0
This file was derived from: <a href="//commons.wikimedia.org/wiki/File:San_Rafael_Glacier_animation.gif" title="File:San Rafael Glacier animation.gif">San Rafael Glacier animation.gif</a><br>