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Originally posted by Nygdan
Also, if there are pipes and electrical works, its possible that some of them have been made into corridors and service tunnels underground.
Originally posted by Baphomet79
Speaking from similar fist hand knowledge, do the reasearch on who actually owns the property first. What seems harmless curiosity can quickly turn into 9MM's and Handcuffs.
Originally posted by ADVISOR
...be careful and tell some one who is not going what your doing. So that others know what, where and when your doing it.