#tunnel construction
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Chinese company builds tunnel in North-South corridor's Georgian section
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Turkish Proyapi company building one of world’s longest tunnels in Azerbaijan
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Diplomats view tunnel under completion on Azerbaijan's Ahmadbayli-Fuzuli-Shusha highway
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New road tunnel to open in northeastern Turkey
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Work in Sabuncubeli Tunnel nearing completion: Turkish ministry
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Construction of Turkey’s longest tunnel nearing completion
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Georgian tunnel construction to be resumed within Baku-Tbilisi-Kars railway project in May
