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A father and his child on a park bench in Prague with a sign "Dubcek, Don't Give Up " on the pram expressing support to Czechoslovak communist party leader Alexander Dubcek during crucial negotitations with Soviet leaders on political reforms in Czechoslovakia in Cierna nad Tisou at the Czechoslovak-Soviet border, July 29-August 1, 1968. CTK Photo/I.Minar (KEYSTONE/CTK/I. Minar)