Across the world, archaeologists keep stumbling on structures so old, so large and so technically sophisticated that they seem to have no right to exist in the eras that produced them. From submerged ...
The oldest scale plans of human made mega structures are reported in the open access journal PLOS ONE on May 17, 2023. The engravings, dated to between 7,000 and 8,000 years old, depict nearby desert ...
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