Peter Jennings on 9/11: "Where did all the Rubble Go?"
https://youtu.be/TbeIq2mRWpk

Read the only existing forensic study of the destruction of seven World Trade Center buildings on 9/11, Where Did The Towers Go? Evidence of Directed Free-Energy Technology on 9/11 by Dr. Judy Wood, a structural engineer with a Ph.D. in Materials Engineering Science and expertise in experimental stress analysis, engineering mechanics and strength of materials testing.

http://wheredidthetowersgo.com/buy/

The World Trade Center complex contained:
- 200,000 tons of steel
- 425,000 cubic yards of concrete
- 43,600 windows
- 12,000 miles of electric cables

(The WTC complex had its own zip code: 10048)

World Trade Center 1 & 2, each were:
- 110 floors
- 208 ft by 208 ft at base
- 500,000 tons in weight

WTC 1: 1,368 ft high (north tower)
WTC 2: 1,362 ft high (south tower)

[Sources:]

WTC statistics: http://www.infoplease.com/spot/wtc1.html
https://www.nysm.nysed.gov/wtc/about/...

Concrete information: http://www.cemexusa.com/ProductsServi...