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How many triangles?

Correct answers: 101

The first user who solved this task is Sanja Šabović.

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Whistle

What can a bird do that a man can't?

Whistle through his pecker.

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Yangtze River blocked for new dam

In 1997, Chinese engineers completed the blocking of the Yangtze River, the first step toward what would be the world's largest hydroelectric dam project.*

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