 |
| |||
| surface fracture | |||
| cave hole; cave to the surface; cockpit; day fall; dolina; doline; sink; sinkhole; swallet hole; swallow hole | |||
The server is undergoing maintenance and the site is working in read-only mode. Please check back later.">Add | The server is undergoing maintenance and the site is working in read-only mode. Please check back later.">Report an error
| Get short URL | Language Selection Tips