Exhibition area. Pavilions. Exhibits of the exhibition. Guests from different republics of the country and foreign representatives talk with each other, inspect the exhibits, walk along the territory of the exhibition and along the embankment. Meeting, banquet in honor of the opening of the exhibition. Performances by acrobats, columns of builders are passing by. S. M. Budyonny at the exhibition. The plane is flying. View of Moscow and the river. A boat with passengers is sailing.