Brisbane Cross River Rail Tunnel Boring Machines at Herrenknecht's Northside facility in Australia
Brisbane Cross River Rail Tunnel Boring Machines at Herrenknecht's Northside facility in Australia photo: Queensland government press release.Eglinton Crosstown West Extension (ECWE) Advance Tunnel project in Toronto
Eglinton Crosstown West Extension (ECWE) Advance Tunnel project in Toronto Metrolinx image from Aecon press release.
cover tunnel photo by: Matt Brown from London, England / CC BY
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