As if out of a children's storybook, National Geographic attached 300 balloons to a house to allow it to "fly." Amazingly, it drifted up 10,000 feet in the air and lasted for about an hour!As if out of a children's storybook, National Geographic attached 300 balloons to a house to allow it to "fly." Amazingly, it drifted up 10,000 feet in the air and lasted for about an hour!
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