An incredible animated Soviet movie from 1953.
Very ahead of its time, both visually and narratively.
Check out the monitor appearances, the main character’s black friend
and the Hitchcockian sequence from 4.45 to 6.45
A theory of mine is that the best Japanese animation
(Rintaro and Hayao Miyazaki are the first names to stroll through my mind) came out from this peculiar Soviet style: