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5 answers

If it's a natural formation it is called a cave. If it's man made it could be several things such as a mine.

2007-09-11 17:28:12 · answer #1 · answered by Anonymous · 1 0

Large Underground Chamber

2016-12-12 09:05:17 · answer #2 · answered by ? 4 · 0 0

d Cellar

e Tunnel

f Subway

g Grave

2007-09-11 17:28:47 · answer #3 · answered by iansand 7 · 1 0

Tube

2007-09-11 17:41:59 · answer #4 · answered by Anonymous · 1 2

a) Cave

b) Mine

c) Hole

2007-09-11 17:18:30 · answer #5 · answered by john the engineer 3 · 0 0

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