Kino-pravda no. 21 - Leninskaia Kino-pravda. Kinopoema o Lenine

This is a series of 23 "newsreels" by Vertov (1922-1925). The best-known of them is No. 21, "21-aya Kino-Pravda Leninskaya - K godovshchine smerty" (1925), which commemorates the first anniversary of Lenin's death. (imdb)