Cerro Ballena, Chile
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Chile's stunning fossil whale graveyard explained

A graveyard of whales found beside the Pan-American Highway in Chile has been said to be one of the most astonishing fossil discoveries of recent years.

Now scientists say they can explain how the animals came to be preserved in one location more than five million years ago.

The BBC's science correspondent Jonathan Amos reports.

  • 26 Feb 2014
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