



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.