Close-up of railway tracks in Peterborough, Ontario, Canada; Autumn 2008.
<a href="//commons.wikimedia.org/wiki/User:Sillyputtyenemies" title="User:Sillyputtyenemies">Sillyputtyenemies</a>
CC BY-SA 3.0
<span class="int-own-work" lang="en">Own work</span>