A decline in the population density led to the eventual collapse of the Classic Maya civilisation, they concluded. This was ...

For hundreds of years, Andean people recorded information by tying knots into long cords. Will we ever be able to read them?

Cómo eran algunos pueblos? Algunos pueblos llegaron a un elevado grado de desarrollo y cultura como los aztecas, mayas, incas, chibchas y guaraníes. Estos pueblos estaban constituidos por grupos ...