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Inside the world's largest building costing $1BN - and it's so massive it has its own weather system

The Boeing Everett Factory in Washington is the world's largest building by volume — so massive it once generated its own ...

World's largest building cost £740m to build and is so big it has its own weather

The colossal facility cost more than £740m to build and has produced over 5,000 wide-body aircraft since it opened in 1967 ...