Wow! Looks like First May in Moscow is not available on any streaming services in the world!

Genre

The building of Sevzapkino. Columns of demonstrators are moving along Bolshaya Dmitrovka, Dzerzhinsky square, Pushkinskaya (Strastnaya) square, Kamenny Most (The Big Stone Bridge) and Red Square. Decorated cars and trucks. This is a Military parade on Red Square. L.D. Trotsky, N.I. Muralov, S.S. Kamenev are among the commanders. The demonstrators are carrying the models of a boat, plane and globe. The theatrical march. The members of the government and guests including K. Tsetkin are watching from the tribunes. There are lots of planes on the airdrome and square. M.M. Litvinov, N.I. Rikov and others stand near the plane. The plane builds jp speed, soars in the air, leads for landing and lands. Hordes of people gathered at the aerodrome. Camera operator is shooting. The church on the corner of Ulitsa Myasnitskaya (Kirovskaya), the building of GUM (State Department Store) and Khamovnichesky (Frunzensky) Council. Illuminated building.