Tonyblack wrote:Sharlene and I were looking at the BBC pictures and I was commenting that although the houses were reduced to rubble, there didn't seem to be any on the roads. Sharlene explained that when one of these starts you go through your house and open all the windows and doors. Doing this means that you get rid of any vacuums. When the tornado hits, the air pressure tends to make houses with internal vacuums implode - hence there being no rubble on the roads.
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