Sci. Ch. - What on Earth? Series 3 (2016-2017) Part 13 Hunt for El Dorado

What on Earth? Series 3

Eyes in the sky. Watching us from space. Hundreds of satellites showing us the world like we've never seen it before. Capturing images which are breathtaking but bizarre. Objects and phenomena which defy explanation. Baffling phenomena seen from space, what on Earth are they?

Part 13 Hunt for El Dorado

Strange images from the jungles of Colombia could lead researchers to the legendary city of El Dorado; a bright green swirling spiral appears in the seas of the Persian Gulf; and a massive complex suddenly appears in the secretive state of Myanmar.

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