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Soviet leader Leonid Brezhnev (left) and Czechoslovak Communist Party Secretary General Alexander Dubcek walk away from the train by which the Soviet delegation arrived to Cierna nad Tisou, Slovakia, on the brink of July and August 1968. This meeting held on the border between Czechoslovakia and the Soviet Union was the last before the Soviet-led invasion to Czechoslovakia on August 21, 1968, that was directed to crush reforms of Czechoslovak Communist regime. (KEYSTONE/CTK/Str)