Original: Initially established during the Pre-Classic period ( c. 2000 BC to 250 AD ) , according to the Mesoamerican chronology , many Maya cities reached their highest state development during the Classic period ( c. 250 AD to 900 AD ) , and continued throughout the Post-Classic period until the arrival of the Spanish .
Simplified: Climate in the Maya region can vary greatly , as the low-lands areas are in danger of the hurricanes and tropical storms of the Caribbean .