Related Clues:
- Tiberius' villa at Sperlonga included one
- In the rocks that's the whole of it, by the sound of it
- One must beware of this opening at it
- Pothole
- Got about the rot for the whole of it
- Got about the decay of the sound of the whole of it
- 'Got about a trot as a whole, by the sound of it (6)'
- Blue ___ (Capri attraction)
- Bear lair, often
- Stalagmite setting
- About the end of December, reached Santa's base
- Beware of grot
- Look out from hiding-place?
- Must set about river, which is underground
- Cave in which British and German kings meet