Sure MTBers ruin trails but....

[FitSsikS]

Roadies ruined old film footage of WWII.....

 

[Aapjes]

Your link doesn't work. Here is a better one:

http://www.youtube.com/watch?v=dZJ3WLkDbyw

 

[FitSsikS]

It turns out a cyclist can ruin a link too!
Thanx for the fix mate!