Manual excavation
Structures in this category
- entry with pictures
- new entry (30 days)
- updated entry (14 days)
| # | Name | Country |
|---|---|---|
| 1 | Cocceius Tunnel | Italy |
| 2 | Eupalinos, Tunnel of | Greece |
| 3 | Mont-Cenis Tunnel | France - Italy |
| 4 | Siloam's Tunnel | Israel |
| 5 | Union Canal Tunnel | United States of America |
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