Nat Geo Explores: When Cities Were Cesspools of Disease
Contributed By
National Geographic
Nat Geo Explores: When Cities Were Cesspools of Disease
Cities have historically been centers of commerce, industry, and...disease. In the early 1800s, cities became so populated and densely packed that diseases began to spread at an unprecedented rate. All hope seemed lost until a series of critical scientific discoveries, which triggered a revolution in urban sanitation and health.