Ancient walled city 'found on Mars’: Did intelligent civilisation once rule Red Planet?
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A video produced by the United Family of Anomaly Hunters entitled "NASA Spots Walled Cities on Mars from MRO Satellite" has been uploaded to YouTube, prompting a fierce debate about whether
it could actually be the earthworks of a former ancient alien settlement on the surface of the planet.
The images were taken from above by the NASA Mars Reconnaissance Orbiter satellite, NASA's Mars Reconnaissance Orbiter which blasted off from Cape Canaveral in 2005 to search for evidence of
water on the surface.
The video includes a series of aerial views which appear to show eroded domes, which are surrounded by almost circular rings, which have been described as potentially being the remains of
walls around buildings.
One viewer was convinced they were similar to ancient ruins found on Earth.
He posted on YouTube: "There are structures similar to these all over certain areas in South Africa."
A poster with the user name The Kruxed added: "It's funny as these are very similar to old neolithic to early Roman ruins you find in England and Wales and also Roman market town
architecture.
"They would usually have a raised circular inner with outer complexes of either ditches, walls or large stacked rocks or a combination of some of those features depending on where the ruins
are located."
Viewers went on to dispute claims they were meteorite craters with internal peak rings - a natural phenomenon.
A user with the name Pickle Jaar said: "NASA can say anything but that doesn't look like a natural formation to me.
"Meteor impacts does not form pentagon or hexagonal shapes. Great find man."
Rick The Explorer added: "The pentagon shape to the black around the circles is what's puzzling.
"With "no Atmosphere" on Mars, the asteroids must come in very fast and hot, but it's the lines in that pentagon surrounding it!"
He posted: "Looks to me like an old volcanic eruption, but I could be wrong."
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