The Roman Empire had a very high quality road sytem throughout the Empire, some of these roads are still in use today.
The Chinese dynasties.
The Inca
Complex irrigation systems.
The Guatamala civilization of America
The Mayans.
The Chinese dynasties.
The Mayan civilization
A tribe rather than a civilization.
The Chinese dynasties.
The Inca
Complex irrigation systems.
The Guatamala civilization of America
inca
Anasazi
Public health and sanitation systems were first developed by ancient civilizations, notably the Sumerians and the Indus Valley civilization. The Sumerians implemented basic sanitation measures, such as drainage systems and waste disposal, while the Indus Valley civilization is renowned for its advanced urban planning, including public baths and sophisticated sewage systems. These early systems laid the groundwork for modern public health practices.
The Mayans.
Maya