Rebut de @jvivancos via twitter:<br>un PearlTree de recursos geogrāfics <br><a href="http://www.pearltrees.com/#/N-fa=777358&N-u=1_69019&N-p=18357472&N-s=1_2531249&N-f=1_2531249">http://www.pearltrees.com/#/N-fa=777358&N-u=1_69019&N-p=18357472&N-s=1_2531249&N-f=1_2531249</a><br>
<br>Raf<br>