Category:Undersea tunnels by continent
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Subcategories
This category has the following 7 subcategories, out of 7 total.
A
- Undersea tunnels in Africa (1 C)
- Undersea tunnels in Asia (1 C, 19 P)
E
- Undersea tunnels in Europe (3 C, 16 P)
N
- Undersea tunnels in North America (1 C, 3 P)
O
- Undersea tunnels in Oceania (1 C, 1 P)