Curved, terraced Antarctic mountain face. Source (Russian)

Curved, terraced quarry face. Source (Russian)

Cheddar Gorge, Somerset, England. Source

This Cheddar Gorge image is a from a page about Gough's Cave and its association with cannibals. For more British caves with cannibal associations, see How Do You Get A.I. to Think for Itself - Part Three.

Unexplained Skaraguta canyon, Sweden. Source

Local folklore says 20m deep Skaraguta canyon was inhabited by trolls.

Video clips:

Strange-shaped boulders explained. Source: Earth, The Giant, Ancient Mine

Unnatural caves. (61Mb) Source: Earth, The Giant, Ancient Mine

Terraced hills are the sides of quarries. Source: Earth, The Giant, Ancient Mine

Petra's vitrified walls cannot be rain erosion. (27Mb) Source: Earth, The Giant, Ancient Mine

Unnatural underground rivers. Source: Earth, The Giant, Ancient Mine

Metro Cavern, Zion National Park, Utah. Source: vel24.livejournal.com

The Metro Cavern complex is 10km long. Access to many parts is restricted. More details at vel24.livejournal.com.

Spoil tips with molten cores. Is Earth a mine? (142Mb) Source: Earth, The Giant, Ancient Mine

What has evidence of massive-scale quarrying - even terraforming - got to do with humans as an artificial species?

Profits require a low-cost, expendable workforce:

Source: Blade Runner 2049

Possible evidence of expendable pleasure models is examined in Before the Digestive Biscuit Game and analyses tagged 'prostitution'.

Evidence of anomalous geology is presented in analyses tagged 'geology'.

See also:

• 'Dating The Intelligent Pig' series
• 'Ice Age Sites of Britain's Serpents' series

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