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Chinese civilization didn't collapse. It is a continuous civilization in the latest 5000 years.
NKY
no i came here
earthquakes and civil war
the Maya civilization began to collapse
they collapse in the 900s
they collapse in the 900s
they collapse in the 900s
they collapse in the 900s
earthquakes
whatever the reasons, the collapse of Maya civilization happened gradually, and in addition, as the population grew, the demand for food would have increased.
No one knows what happened to them.