Freemason symbolism on alien structures found in Egypt on Google Earth
The mystery images were taken in Egypt, near Cairo, and appear to show a secret military base or a weird alien structure.
The video has been posted to YouTube by SecureTeam and it’s already had over 100,000 views.
The narrator, named as Tyler, describes the finding as a "mysterious entrance to a secret underground base"
He said:"We have a very interesting image here.
"The big question is: what are these things?
"It looks like there’s some Freemason symbolism on the structures.
"It’s obviously an underground base."
The group describes itself as "the best in new UFO sighting videos and the alien activity happening on and off our planet".
They recently found an "interstellar mother ship" near Jupiter.
And earlier this month, they claimed to find a UFO in previously unseen footage from an Apollo mission.
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A video showing a UFO coming out of the sea and apparently splitting in two is alleged to belong to the US Department of Homeland Security (DHS).
A group called the Scientific Coalition for Ufology (SCU), claims the footage was captured by a DHS aircraft.
They claim they were given the thermal video by a "official source."
In the footage the UFO flies at high speed past the screen.
The SCU say the image could not be a drone, bird, balloon on another aircraft.
They estimate the UFO was travelling at around 90mph under water and 120mph in the air.
UFO Mystery: The footage was described as 'exciting' by one UFO expert
The former head of the British Government's UFO Project, Nick Pope said the footage was 'fascinating.'
"Assuming the video isn't a clever hoax - which is always a possibility these days - it's a fascinating piece of footage," he told The Express.
"About the only conventional explanation that might fit the bill is that this is some new drone, but the entry and exit from the sea and the apparent splitting in two of the object makes even this explanation seem unlikely."
He said the footage was the kind which get experts excited, and that he would be watching developments on the video 'with interest.'
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They've gathered at a conference in Washington DC to share their stories of extraterrestrial sightings and provide evidence they say is too strong to deny.
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I was trying to catch some kids who keep on breaking into cars in our parking lot and actually caught this. We don't have cameras planted that far back in the parking lot where the kids have been stealing, so I put one in my car.
We just had some Agents come here and look at our surveillance tapes from the inside of the theatre. I wanted to post this before I hand it in to them.
There are fire trucks and police cars all over in their parking lot. And they shut my AMC theatre down, "For Safety Reasons" This happened about 20 minutes ago, 9:40PM. They were talking about shutting down I35 right outside the building.