IF YOU'VE EVER tried walking through fresh pow you'll know just how damned difficult it is.
So imagine riding through the waist deep white stuff on a dirt bike. Tricky, eh?
Luckily, this guy appears to have a secret weapon on his side - snow bike tracks.
Snowbikes are normal dirt bikes, albeit with the front wheel substituted for a ski, and the rear wheel for a snowmobile-esque track.
Just look at what snowbikes can do...
jd