UFO and alien hunters claim to have found evidence of “anomalous structures” inside a Martian crater that could be a secret underground alien UFO base. According to conspiracy theorists, artificial lights at the bottom of a deep crater on Mars suggest the existence of hidden structures beneath the crater that were constructed by technologically advanced extraterrestrial species.
In a video uploaded to YouTube on June 8, 2016, conspiracy theorists Secureteam10 claimed that mysterious lights shining through holes or vents at the base of a Martian crater could be the artificial lights of an underground alien UFO base on Mars.
To read more and view the video, click here