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 |