REAL Controlled Demolition Sound Pressure Levels
This is an example of a controlled demolition and how loud it is. If explosives were used on 9/11 then camera mics would have picked it up and the explosives would have been heard for miles and miles.

By: LudicFallacies

Go here to see the original:
REAL Controlled Demolition Sound Pressure Levels - Video

Related Posts
January 21, 2013 at 8:51 pm by Mr HomeBuilder
Category: Demolition