29 sett 91 anni a. C. - Public Health and Sanitation Systems
Descrizione:
- Created aqueducts to carry clean water to the cities
- Built sewers to carry waste materials away from cities
- Used filtering systems in public baths to prevent disease
- Drained marches to reduce the incidence of malaria
Aggiunto al nastro di tempo:
Data:
29 sett 91 anni a. C.
Adesso
~ 2118 years ago