WORLD CIVILIZATION

Detailed explanation-1: -Primarily designed by engineer Joseph Bazalgette, construction began in 1859, with the bulk of the system completed in less than a decade. Construction of sewer tunnels near Bow, east London 1859.

Detailed explanation-2: -In 1850, Baron Haussmann and engineer Eugène Belgrand designed the modern Paris sewer system. By 1878, the sewer system was over 373 miles long, and today the network extends 2, 100 kilometers beneath the streets of Paris, or farther than the distance from New York to Miami.