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People who like reply on Türkiye envision a Triple-deck Tunnel in İstanbul: İstanbul Atatürk Tunnel with homegrown TBM

    Lutz Genscher
    Lutz Genscher on Türkiye envision a Triple-deck Tunnel in İstanbul: İstanbul Atatürk Tunnel with homegrown TBM (): Such a large diameter tunnel and with "homegrown" TBM?  It's...