<p>Les fronteres dels bitllets de dólar<br>
<a href="http://www.fastcoexist.com/1681677/a-new-map-of-the-us-created-by-how-our-dollar-bills-move#1">http://www.fastcoexist.com/1681677/a-new-map-of-the-us-created-by-how-our-dollar-bills-move#1</a></p>
<p>Metro de Londres en temps real<br>
<a href="http://traintimes.org.uk/map/tube/">http://traintimes.org.uk/map/tube/</a></p>
<p>Raf</p>