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In 2002, the world's highest building was Petronas Towers due to its spires on the top. But if you consider an antenna as a part of the building then it was Willis Tower (formerly Sears Tower). But the antenna is not a part of the building, that's why Petronas Towers was the highest building back then. FYI, Willis Tower has 110 living floors and Petronas Towers has 88 living floors.

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13y ago

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