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Correction for the weight of The Sears Tower

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How heavy is 1,900,000 tons?
It's about eight-and-a-half times as heavy as The Sears Tower
Flag of The US
The weight of The Sears Tower is about 222,400 tons.
(officially "Willis Tower" as of 2009) (Chicago, Illinois)
The Willis Tower weighs approximately 222,400 tons. The outer wall surface of the Tower is covered with black anodized aluminum panels which would total 110,000 sq. m (28 acres) if laid out together.
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