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| Excellent. The downstream exit of Double Tunnel. Onto a lovely beach, at that! This grate was hinged, and swung quite freely. We're not sure of the logic of this design. |
| Previous |
| Previous |
| Excellent. The downstream exit of Double Tunnel. Onto a lovely beach, at that! This grate was hinged, and swung quite freely. We're not sure of the logic of this design. |