"Scarborough Subway Extension tunnel boring machine getting into position to prepare for tunneling"

"Metrolinx's Diggy Scardust, the Scarborough Subway Extension's aptly named tunnel boring machine (TBM), is assembled and..." (Metrolinx, 2022)

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References:
Metrolinx. (2022, May 3rd). Scarborough Subway Extension tunnel boring machine getting into position to prepare for tunneling. Retrieved from Mass Transit: https://www.masstransitmag.com/rail/infrastructure/press-release/21266390/metrolinx-scarborough-subway-extension-tunnel-boring-machine-getting-into-position-to-prepare-for-tunneling