vehicles left behind on Franz Joseph Island, because the USSR broke down, and it's army ceased to exist, and quit paying and feeding it's soldiers, so... they had no more reason to man some frozen outpost where there was no enemy

https://englishrussia.com/2014/11/27/abandoned-exploration-tools-and-vehicles-of-franz-josef-land/

http://totalcarmagazine.com/features/2014/12/17/decaying_heaps_of_russian_heavy_metal_north_of_the_arctic_circle/