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The Tholus

The Tholus (Carlotto)
This very large mound lies southeast of the City and the Face. Clearly visible in at least three Viking frames, the Tholus has some interesting and inexplicable details. These include two groves that wind half way up the mound. One groove appears to lead into an opening in its side. The object is completely surrounded by a wide ditch or mote resembling prehistoric earthworks found in the British Isles (Carlotto 1997).

See Dr Carlotto's analysis of the new MGS image of the Tholus at

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