More than a century ago, a comet or a meteor exploded in the sky above the Tunguska River valley in Russia. The explosion knocked down millions of trees over hundreds of miles.
Source: tatoeba (6285349)
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More than a century ago, a comet or a meteor exploded in the sky above the Tunguska River valley in Russia. The explosion knocked down millions of trees over hundreds of miles.
Source: tatoeba (6285349)