Audio slideshow: Giant cosmic eyes of the Atacama Desert

In the dry and empty lands of the Atacama Desert in Chile, several giant telescopes eye the sky to unlock mysteries of the Universe. They are run, solely or in partnership, by the European Southern Observatory (Eso), which this year marks its 50th anniversary. Eso astronomer Joe Liske talks about space and telescopes - and the organisation's plans for the future.

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Narration by Joe Liske.

Produced by Katia Moskvitch.

Photos courtesy of Eso, with additional photos taken by Katia Moskvitch. Music courtesy of KPM Music.

Katia Moskvitch was on secondment to ESO for two months leading up to her trip to Chile.

The four images of the Extremely Large Telescope are artists' impressions.

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