Pentagon | |
---|---|
Height | 24m |
Floors | 7 |
Year | 1943 |
City | Washington D.C. |
The Pentagon is the headquarters building of the United States Department of Defense.
As a symbol of the U.S. military, the phrase The Pentagon is also often used as a metonym for the Department of Defense and its leadership. Located in Arlington County, Virginia, across the Potomac River from Washington, D.C., the building was designed by American architect George Bergstrom and constructed by contractor John McShain. Ground was broken on 11 September 1941, and the building was dedicated on 15 January 1943. General Brehon Somervell supplied the important motivating power behind the project; Colonel Leslie Groves was responsible for overseeing the project for the U.S. Army. The Pentagon is the world's largest office building, with about 6,500,000 sq feet (600,000 m2) of space, of which 3,700,000 sq feet (340,000 m2) are used as offices. Some 23,000 military and civilian employees, and another 3,000 non-defense support employees, work in the Pentagon.TV Tower | |
---|---|
Height | 368m |
Floors | 0 |
Year | 1969 |
City | Berlin |
Radio masts and towers are, typically structures designed to support antennas for telecommunications and broadcasting. There are two kinds: structures that are guyed and self-supporting. They are among the tallest human-made structures. Masts are often named after the broadcasting organizations that currently use them or initially built them. In the event of a mast radiator or radiating tower, tower or the whole mast is the transmitting antenna.
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The Pentagon is the headquarters building of the United States Department of Defense.
As a...