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What on Earth?

4:00 PM to 5:00 PM
Thursday 18 June
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Season 4 Episode 17

Satellite images capture thousands of straight lines, covering thousands of square miles, etched out of the Bolivian desert over thousands of years. A satellite tag on a great white shark records a brutal attack by a mystery undersea predator. Plus, the 'town-swallowing' lake in the land of Voodoo

What on Earth? airs on Sky History 2 at 4:00 PM, Thursday 18 June.
Topics
News ➝ Current Affairs
Documentary