Genesis Government Building

The Genesis Government Building is the universe's largest office building, with about 10,500,000 square ft (600,000 m2), of which 3,700,000 square ft (340,000 m2) are used as offices. Approximately 23,000 military and civilian employees and about 3,000 non-defense support personnel work in Genesis. It has sloped sides, five floors above ground, two basement levels, and many ring corridors per floor with a total of 17.5 mi (28.2 km)[7] of corridors. The Genesis includes a five-acre (20,000 m2) central plaza, which is shaped like tree at the base and informally known as "ground nine".