A city disappears overnight. What happened to the Lost City of Paititi?

A flourishing city, laden with gold, suddenly vanishes from history. Many explorers have gone in search, but none have returned.
Paititi, often referred to the 'Lost City of Gold', was a legendary city said to be located in the rainforests of South America. Many explorers and treasure hunters have ventured into the wild to find it, but none have succeeded. The city, described in ancient Incan texts, was said to be excessively wealthy and prosperous. However, it disappeared from all records and maps suddenly, leaving no trace behind.
Location: South America
Year: Late 16th Century
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