The Pentagon

 

Name: The Pentagon

Architect: George Bergstrom

Shape: Pentagon

Location: Arlington, Virginia

Materials: Concrete and stone

Date of construction: They laid the first stone on 9/11/1941; the construction lasted only 16 months.

Interesting facts:

·        Headquarters of the US Department of Defense, with capacity for 25,000 people, is the largest office building in the world.

o    It has five facades of 280 meters.

o    Five floors high (plus two underground) connected by         another 10 in the form of radio that connect them.

·        Although there are 28.16 km of corridors, it only takes a maximum of seven minutes to walk between any two points of the building.

·        In his sixth anniversary (11/9/2001) a terrorist attack happened.   American Airlines Flight 77 was kidnapped and the terrorists crush in The Pentagon.