1. The rock was caverned out to make a tunnel.

2. We shone our torches around the cavern.

3. The cavern walls echoed his cries.

4. We entered a dark cavern redolent with manly scents —gun oil and cigar smoke and boot polish.

5. Bill Justice is a park ranger at the Carlsbad Caverns National Park.

6. The underground cavern was formed where water used to flow.

7. Jewel-tipped stalactites hung from the cavern roof, aglow like many little lamps.

8. The rubble had temporarily blocked the entrance to the cavern below the Horseshoe Falls.

9. Large numbers took alarm at our approach, and waves of indeterminate shapes moved into the deeper shadow of the cavern.

10. A few that remain protrude from the side and top, synthetic stalactites in a cavern of the sea.

11. This themed experience is set in a labyrinth of passages, caverns and secret chambers, 60 feet below ground!

12. The bats leave the caverns at sunset each day to feed on night-flying insects.

13. Penny sat on a stone bench in the middle of the cavern to rest.

14. It was too soon; she was still in the cavern.

15. They stretched away in their thousands across the upturned acres of the cavern roof.

16. Behind him is the abyss, the gaping cavern of the gold mine, down and down into the earth.

16. try its best to collect and create good sentences.

17. The deepest is Lechuguilla, an undeveloped cavern that reaches 1, 567 feet into the Earth.

18. Even access is not encouraged, and the tracks leading to the caverns are also closed.

19. When Abudah had made his way through this slimy cavern he emerged upon a mountain top in the clean air.

20. Evidence showed that almost twice as much gas had been loaded into the underground cavern, resulting in the blast.

21. Transportation is carried out in large caverned tanks.

22. Caverned in night under the drifted snow.

1. The rock was caverned out to make a tunnel.