These ancient civilizations can teach us how. This article is republished from The Conversation, a nonprofit, independent news organization bringing you facts and trustworthy analysis to help you ...

During the civilization's peak, homes were built without space between them, similar to modern-day apartments, but this unhygienic overcrowding led to a spike in disease and infection rates.

World’s ancient civilizations Mesoamerican Civilizations (c. 1200 BCE - 1521 CE) Mesoamerica was home to advanced civilizations like the Maya, Aztec, and Zapotec.

Puebloan cliff dwellings at Mesa Verde offered protection from the elements and, because of their protection from direct sunlight in summer. Image: YinYang/iStock environment 5 lessons from ancient ...

During the civilization's peak, homes were built without space between them, similar to modern-day apartments, but this unhygienic overcrowding led to a spike in disease and infection rates.