To: discostu
Maybe the Tube runs underground near the bldg, and it vibrates?
6 posted on
06/24/2013 2:16:19 PM PDT by
Carriage Hill
(Guns kill people, pencils misspell words, cars drive drunk & spoons make you fat.)
To: carriage_hill
You’d expect sometimes the tube runs when there aren’t people in this building, so that seems unlikely. But definitely natural causes.
10 posted on
06/24/2013 2:18:44 PM PDT by
discostu
(Go do the voodoo that you do so well.)
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