The Maya were the longest-lived civilization in history. Their history lasted for 3,500 years and traced parallel time lines with other ancient civilizations. They began their civilization in 2500 BC in parallel with the ancient Sumerians and it terminated in 900 AD, during the reign of Emperor Charlemagne, but their histories did not converge because the Maya and other world civilizations did not realize that each other existed. The Maya were the phantoms of history. Experts of Agronomy They developed advanced sciences in astronomy, mathematics and one of the five original written languages in the world. They constructed grand high-rise cities replete with otherworldly art and architecture. But, their greatest science was agronomy. They were the greatest agronomists in world
- Today is:

