Stock Photo - An employee of the ""Chemical Plant of the Czechoslovak-Soviet Friendship"" works with a distillation equipment through flows first petroleum of the Druzhba Pipeline from Soviet Union to Czechoslovakia, on April 11, 1962, in Zaluzi near Most, Czechoslovakia. (CTK Photo/Jan Tachezy)

Stock Photo: An employee of the ""Chemical Plant of the Czechoslovak-Soviet Friendship"" works with a distillation equipment through flows first petroleum of the Druzhba.

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