Photo of the Day

Picture of three large telescopes at the Deimo Sky Survey in Spain
May 6, 2022

Sky Watching

A story in the February 2018 issue called "They Are Watching You" documented the use of surveillance around the globe. The subjects of surveillance range from active shooters to the night sky—demonstrated here in a photo of the Deimos Sky Survey's three telescopes in Spain.
Photograph by Luca Locatelli, Nat Geo Image Collection

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