I believe they said at least 42 documented searcher tunnels have been dug over the last 200 years.
So, with all the excellent documentation, the MP are should look like Swiss cheese then.
Actually with more shafts, tunnels, pilot holes and then Dunfields crater we are lucky the island is still there.
I think if they didn't move the crane at night.... the whole thing would have fell in. LOL yea right.
If you watch the construction crew, they were either barley fazed or not very well trained in acting.... not like the Lag bros.
I thought they were gonna get the 7th one to die when Rick strapped on the saftey harness and went over to check out the sink hole.... could have been a great cliff hanger!!! Hey Marty! Push him in! Lets get this over with! LOL