2nd All-Union Congress of Atheists in Moscow; speech by E. Yaroslavsky, M. Gorky. Congress delegates at the anti-religious museum. Chusovsky Metallurgical Plant. Workers in the shops of the plant at work. Uzbekistan. Construction of the Zeravshan irrigation system "Ravat-Stroy". Saratov. Preparing pioneers for the all-Union pioneer gathering. Gathering: performances, construction of a suspension bridge, rest - playing musical instruments. Moscow. Muscovites in the park of culture and recreation: they walk, listen to a lecture, watch a circus performance, visit attractions.