Mesa Verde was abandoned early in the 14th century, probably because there was insufficient water to serve a community that, by now, had grown very better access to water now came to be preferred.
Pre- Columbian people, who as yet have not been indentified, began to build an extraordinary example of planned urban development. They called it Teotihuacan (‘Place of the Gods’), it was situated in a fertile offshoot of the Valley of Mexico, north-east of modern Mexico City, In the fifth century AD, when Teotihuacan was at its height, most of the it built along in impressive causeway, lying north to south, it was the greatest city and Meso-America.
Full article:Ancient Technology: Unexplained Mysteries of Pyramid of The Sun and Mesa Verde | Trifter
by Mr Ghaz