Hedgehog in the Fog - By: Yuri Norstein

Yuriy Norshteyn: Jewish - Russian animator who worked at Soyuzmultfilm

From Wikipedia:
Norshteyn uses a special technique in his animation, involving multiple glass planes to give his animation a three-dimensional look. The camera is placed at the top looking down on a series of glass planes about a meter deep (one every 25–30 cm). The individual glass planes can move horizontally as well as toward and away from the camera (to give the effect of a character moving closer or further away).[1]