Poland - On the metallurgical plant "Bobrek".
Hungary - Budapest Underground Construction.
Meeting the builders of the tunnel under the ground.
Hungary - Anniversary agricultural exhibition.
Visit the exhibition and P. E. Fock Losonczy.
Romania - Construction of a bridge over the Danube.
Romania - Brasov Tractor Works.
The new tractor.
Bulgaria - Construction of a dam on the river Vucha.
USSR - FRG exposition at the International Chemical Exhibition in Moscow.
Bulgaria - Friendship Bridge in the city of Ruse.
Bulgaria - The discovery of a medieval wall painting of the church in Rila monastery.