.. yep, weve been there too, like you all
But, i think you didn't had to hide for security for half an hour.
We just closed the door of a room .. when we saw the security dude pass us when looking thru a dirty window, my heart went mental, and i froze some toes off that day.
(this place is huge! but.. they are demolishing the place.. and it goes fast.)
some views:
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(more on my site.)