29 Sept 91 Jahr v. Chr. - Public Health and Sanitation Systems
Beschreibung:
- 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
Zugefügt zum Band der Zeit:
Datum:
29 Sept 91 Jahr v. Chr.
Jetzt
~ 2117 years ago
