Some good SF there:
Mimino
https://www.youtube.com/watch?v=P4k2LNPRV-0
Stalker
https://www.youtube.com/watch?v=TGRDYpCmMcM
The Diamond Arm
https://www.youtube.com/watch?v=B-iVfLX2tvY
Viy (Spirit of Evil)
https://www.youtube.com/watch?v=1OhQMVvgENM
Three plus Two
https://www.youtube.com/watch?v=237m-LGLDbo
Little Vera
https://www.youtube.com/watch?v=VS1wVGS0mZ0
A Railway Station for Two
https://www.youtube.com/watch?v=3g-p1d8H02o
To the Stars by Hard Ways
https://www.youtube.com/watch?v=x9mLm0aRo_c
Moscow Does Not Believe in Tears
https://www.youtube.com/watch?v=X7GuhjGZ-xs
Kin-Dza-Dza!
https://www.youtube.com/watch?v=EYHv8eJrW2Y