Related Clues:
- Cemetery feature
- Sepulchre
- Place for 43-Across
- Site of some paintings
- Spelunking spot
- Underground cell
- Large cave
- Craven in a cave
- Underground burial chamber
- A large cave
- Underground chamber for burials
- Natural underground chamber
- Claim to be in a hole in the ground
- Claim to be hollow in down there
- Beware of the British Navy - it may be at the coast (6)