Stay in Sofia N. V. Podgorny on the occasion of the celebration of the 30th anniversary of the Bulgarian Socialist Revolution. The ceremonial meeting in the hall "Universiade", speech by T. Zhivkov, N. V. Podgorny. NV Podgorny presents awards to Ts. Dragoycheva, D. Dzhurov, I. Mikhailov. Military parade on the square named after the Ninth of September, a demonstration of workers dedicated to the anniversary of the revolution in Bulgaria. Monument to the heroes of Shipka, a Soviet soldier in the city of Plovdiv "Alyosha". Oil refinery in Burgas, built with the help of the Soviet Union. Ships in the port of Varna. Landscapes, vineyards, roses, fruit trees.