I thought about a landscape nearly as the same . But i thought it was not realistic . But see what i have found accidentally .
Scroll nearly to the middle or search ( here or in google ) for " Poles of the Komi Republic " .
Especially the one with snow . I would like to see it bigger.
http://englishrussia.com/?p=5937
Kadri.
In my opinion the displacement is a little bit exaggerated! ;D
Wait until you see my render i had in mind ;D