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idesk siberia mystery craters rtv _00000316
idesk siberia mystery craters rtv _00000316

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    Gigantic crater opens up here ...

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Gigantic crater opens up here ...

Massive craters are appearing in one of the most remote places on earth. CNN's Lynda Kinkade reports on this deepening mystery.

Gigantic crater opens up here ...

Massive craters are appearing in one of the most remote places on earth. CNN's Lynda Kinkade reports on this deepening mystery.