Now, Russia is offering a behind-the-scenes look at the moments leading up to the detonation of that hydrogen bomb, known officially as RDS-220 and informally as Tsar Bomba.
https://www.businessinsider.com/russia-declassified-footage-of-largest-nuclear-blast-tsar-bomba-2020-9
origin - https://www.pipiscrew.com/2020/09/russia-released-secret-footage-of-historys-largest-man-made-explosion-a-nuclear-blast-thousands-of-times-stronger-than-hiroshima/ russia-released-secret-footage-of-historys-largest-man-made-explosion-a-nuclear-blast-thousands-of-times-stronger-than-hiroshima