Beneath the bustling streets of Chicago, its towering skyscrapers, and mouth-watering deep-dish pizzerias, lies a hidden labyrinth stretching over 100 miles.
The Tunnel and Reservoir Plan, also known as the Deep Tunnel system, is one of the world’s most colossal civil engineering feats, with construction ongoing since the 1970s. This subterranean marvel could potentially play a pivotal role in combating climate change in the future.
During the late 19th and early 20th centuries, Chicago was experiencing rapid growth, but its infrastructure lagged behind. Built on swampy terrain, the city’s flat and low-lying topography led to significant drainage problems…