Extremely interesting information about the history of human development can be seen in the mythology of the Aztecs and Maya tribes. They mention not one, but several civilizations and this is reflected in theosophical teachings. One of the cultural monuments of the Aztecs - the Vaticanus Codex - says that the very first race on the planet were giants, but they died of hunger.
The second human civilization perished in a huge fire. True, part of it was able to survive by creating tunnels and chambers underground. Numerous underground branched structures found not only in the Sahara or India, but also in South America and Western Europe can serve as evidence of this theory. There are traces of similar structures in Russia - in Karelia.
The next civilization represents intelligent monkeys that died from disaster, but from which it is not yet clear to scientists.
The fourth civilization somewhat resembled modern people, but all of its representatives died in the Flood.
And only the fifth civilization lives and develops today. And this is you and me. There are other similar documents that date back to the time of the Aztecs - the Telleriano-Remensis and Rios codes. They also talk about four civilizations, albeit in a slightly different sequence, each of which existed for about 4-5 thousand years.
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It is extremely curious that in addition to the usual, traditional chronology for us, both the Aztecs and the Maya also used the so-called sacred years, each of which had its own duration: katun - 20, baktun - 400, pictun - 8 thousand, and alautun - 64 million years … So it would be nice to first find out what years these tribes spoke about. It is not surprising that such dates are most often shocking, but because of this, modern official science tries to ignore them.
However, perhaps you should still take them more seriously? Moreover, this is hinted at by ancient artifacts found in large volumes in various places of the Earth.