The leaders of the Bulgarian Communist Party and the government of the NRB G. Tsankov, R. Damyanov, G. Chankov, Charge d'Affaires of the USSR in Bulgaria FN Gryaznov, other officials watch the demonstration of workers from the rostrum of the Mausoleum of G. Dimitrov. Columns of athletes, workers with portraits and banners pass through the square named after 9th September past the Mausoleum of G. Dimitrov.