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Updated 5:02 pm

The internet lost its collective mind earlier this week, when a Reddit user stumbled across "what appears to be a monumental military/science experiment going on in a Chinese desert, visible on Google Earth." But the strange and massive box of jagged lines wasn't the only odd structure carved into the ground – and this week's swarm of Google-spotters weren't the first ones to take an interest in the region.

As former CIA analyst Allen Thomson notes, turning on the DigitalGlobe coverage layer in Google Earth shows all the various times the imaging satellite has been asked to inspect that part of the desert. (Here's a screenshot, above.) "Starting in 2004, somebody has ordered many, many satellite pictures of it," Thomson tells Danger Room. "Can't have been cheap."

Below are some of the strange things those satellite swoops photographed, which were then uncovered by Danger Room's community of commenters.

"Could someone please translate these characters that surround this lonely looking facility?" asks Danger Room commenter zodiac cipher. Misosoup7 replies that they mean "Border Guard." But what potential border-crosser needs such a mammoth notice?

"Any idea what this is?" Dinker Charak wonders. An antenna farm, perhaps? An electrical substation?

"Check the size of this huge water works thingy!" says Danger Room commenter Adam Kishin, pointing us to this spot on Google Maps.

Kishin also spots this rather huge patch of green in a desert otherwise foliage-deprived. Then he advises us to "stop being mesmerized by 'crazy stuff on the interwebs oooooo.' Go outside or do something productive. I know I am!"

Star Monkey fingers this site. "Bunkers? Mining?" he asks. "While this is definitely fascinating, has anyone flown over the Nevada desert in Google Earth? You'll find just as many 'strange' man made objects/formations there."

Reader NS directs us to this brightly-colored locale. That shade of blue seems rather.... unnatural.

Endo points us to a second massive box of jagged lines, similar to the one that sparked the initial furor. Are there more out there?