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Boeing's 747-8 is unveiled in Everett, Wash.

The factory in Everett, Wash., where these planes are produced is the largest building in the world by volume and covers nearly 100 acres. For more fun facts on the facility that is located roughly 30 miles north of Seattle, click here, and if you are planning a trip to the Seattle area, you may be interested in booking a tour of the plant here.

Boeing via EPA

The Boeing company rolls out the newest version of its 40-year-old 747 jumbo jet at its headquarters in Everett, Wash. The 747-8 Intercontinental will seat 467 passengers, 51 more than the current version of the 747, and burn less fuel while offering passengers more comfort, Boeing said. It is the first appearance of a radically new version of the passenger jet since the first jumbo, with its humped two-storey cabin and 196-foot (69 metre) wingspan.

Stephen Brashear / Getty Images

An attendee touches the belly of a Boeing 747-8 Intercontinental, the company's newest and largest passenger plane, during an unveiling ceremony, Feb. 13, at the company's factory in Everett, Wash. The new plane features quieter, more fuel efficient engines, more seating and a redesigned interior. The first plane also featured a red paint job, a departure from the traditional Boeing blue.