Interesting facts The Impressive 600,000 Square Meter Building Built in a Hurry During World War II That Became the Headquarters of U.S. Defense, Featuring 28 Kilometers of Hallways, a Five-Sided Shape, Concentric Rings, and Renowned as the Largest Office on the Planet Ana Alice 05/02/2026 at 01:09
Interesting facts The Pentagon, The World’s Largest Military Headquarters and Home of the U.S. Department of Defense, Has 28 Kilometers of Internal Corridors — Yet It Can Be Crossed From End to End in Just 7 Minutes Valdemar Medeiros 02/10/2025 at 11:25
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