Google Earth conspiracy theorist has claimed to have spotted an "air vent that goes underground" in Antarctica.The truth-seeker, known as "Mr MBB333" on YouTube, said he received the set of coordinates from a fan and was amazed to discover what he believed was a "thermal vent".Based on his measurement using the tools on Google Earth, the area is roughly over 150 feet wide with two distinctive features – a pitch-black "opening" and a metal-like "shield".The so-called Earth watchman explains why he thinks the area is not a frozen pond or lake, saying: "That looks like some sort of vent, a thermal vent that goes underground.
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