What on Earth?

6:00 PM to 7:00 PM
Monday 22 December
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Riddle in the Ruins

Season 3 Episode 4 of 20

Strange black holes appear near Egypt's pyramids, ruins in Peru suggest the Incas knew more than may be imagined, and a mysterious red swarm invades a beach in India

What on Earth? airs on Sky History 2 at 6:00 PM, Monday 22 December. (Subtitles.)
Topics
News ➝ Current Affairs
Documentary