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Tunnel Boring Machine (TBM)
Workers inspect and repair a tunnel boring machine (TBM), often called a ''mole,'' used to excavate Sofia's subway tunnels in Sofia, Bulgaria, on July 25, 2025. (Photo by STR/NurPhoto)
Photo Details
| Photo ID | #12587144 |
|---|---|
| Date Taken | |
| Location | N/A |
| Photographer | STR/NurPhoto |
| Category | Labour |
| Copyright | © 2025 NurPhoto - STR/NurPhoto |
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