1. They hollowed out a tunnel through the mountain.

2. They've built a new tunnel through the mountain.

3. Builders had to blast a tunnel through the mountain.

4. They will hole a tunnel through the mountain.

5. They drove a tunnel through the solid rock.

6. The engineers had to tunnel through solid rock.

7. They drove a tunnel through the rock.

8. They're planning to drive a tunnel through the mountains.

9. After mating the male wasps tunnel through the sides of their nursery.

10. The construction crew blasted out a tunnel through the mountain.

11. Mortimer crouched at the corner of the short tunnel through which Benny had entered the previous day.

12. The gray-white ribbon of road, creating a tunnel through the trees,() was my only promise of home.

13. The peasant labourers really [actually] hewed a tunnel through that rocky mountain.

14. If the barracuda charges, the herring flee away on every side, creating a clear tunnel through the shoal.

15. We were inching along this pathway that was nothing more than a tiny tunnel through the vegetation.

16. The peasant labourers really [ actually ; literally ] hewed a tunnel through that rocky mountain.

17. Evolution is a slow-witted way to outsmart this conundrum, but what we call intelligence is nothing more than a tunnel through it.

1. They hollowed out a tunnel through the mountain.