Mountain biking is a sport of riding bicycles off-road, often over rough terrain, usually using specially designed mountain bikes.
<a href="//commons.wikimedia.org/wiki/User:Mostafameraji" title="User:Mostafameraji">Mostafameraji</a>
2009-03-24 10:49:36
<span class="int-own-work" lang="en">Own work</span>