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The construction of the longest car tunnel Zheleznitsa tunnel continues in Bulgaria

    Bogdan A. Dašić

     

    Bourgas.ru gives the news the first 800 m of Zheleznitsa tunnel has been excavated.

    http://bourgas.ru/v-bolgarii-prodolzhaetsya-stroitelstvo-samogo-dlinnogo-avtomobilnogo-tonnelya/
     

     

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