Teotihuacán History Collapse
The destruction seems to have been focused on structures along the Avenue of the Dead. Some statues seem to have been destroyed in a rather methodical way. The population in the city started to decline around the 6th century. This supports the hypothesis that there was unrest in the city. The decline in population is generally linked to droughts. These were linked to climate change, occurring in 535-536. There also seem to be more skeletons of young people, and more evidence of malnutrition in city in the 6th century.