Tartaria and mud floods

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Tartaria and mud floods
I searched the topic term but nothing showed.

I’m wondering what the group think about the latest wave on the internet -which is the claim that our ground levels are raised as reflected by the lower floors of thousands of buildings being seemingly buried by a mud flood some ”not too distant” time ago. Various excavations have shown lower levels of buildings being buried beneath what is now our current ground level.

I did a little research in my home town and could not find a photograph …