Mayans

The Mayans abandoned many of their cities.

The Mayans built a great civilisation in Central America.

The Mayans have figured out the stars.

Blue was a rare, expensive color in ancient times, whether it was derived from lapis lazuli mined in Afghanistan some 6,000 years ago, made by blending copper with other elements throughout the Middle East and in ancient China, or mixing an extract of the indigo plant with clay and resin by Mayans in Mesoamerica.

The Aztecs and Mayans lived in Central America long time ago.