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Sure don't look like a natural formation to me. And it isn't anything we've sent up from here.
'Unnatural structures' on the moon are evidence of an alien base that Nasa is hiding, claim conspiracy theorists
The images were taken by the Nasa Lunar Reconnaissance Orbiter
Photos reveal a lunar structure built by aliens, conspiracy theorists claim
The images were spotted by controversial alien enthusiasts SecureTeam10
Read more: UFO hunters claim to have footage of aliens on the moon | Daily Mail Online