Documentary film "Испытание чистой водородной бомбы мощностью 50 млн тонн // Test of a clean hydrogen bomb with a yield of 50 megatons"

 ROSATOM recently released previously classified documentary film "Испытание чистой водородной бомбы мощностью 50 млн тонн // Test of a clean hydrogen bomb with a yield of 50 megatons" (Russian with English subtitles).

URL: https://youtu.be/nbC7BxXtOlo

Some articles (please use comments to add further ones):

https://thebarentsobserver.com/en/security/2020/08/rosatom-releases-previously-classified-documentary-video-50-mt-novaya-zemlya-test (from Russia through VPN).

https://www.thedrive.com/the-war-zone/35953/russia-releases-tsar-bomba-test-footage-of-the-most-powerful-nuclear-bomb-blast-ever

(PL) https://wyborcza.pl/7,75400,26241282,rosjanie-odtajnili-film-z-eksplozji-car-bomby-zobacz-wybuch.html#s=BoxOpImg9