Keith Ladzinskiさんのインスタグラム写真 - (Keith LadzinskiInstagram)「Engineers working on an extension project hundreds of feet below the surface in Chicago’s Tunnel And Reservoir Project, aka #TARP. This subterranean network of tunnels is roughly 109 miles long and is a waste and flood water diversion system for #Chicago’s metropolitan area. From these tunnels, water is directed and contained in multi-billion gallon reservoirs where it’s cleaned and reintroduced back into a nearby channel that eventually leads to the Mississippi river. Seeing Engineering at this level is a widely eye opening perspective into the lengths necessary for clean water. Photographed on assignment for @natgeo」8月10日 22時37分 - ladzinski

Keith Ladzinskiのインスタグラム(ladzinski) - 8月10日 22時37分


Engineers working on an extension project hundreds of feet below the surface in Chicago’s Tunnel And Reservoir Project, aka #TARP. This subterranean network of tunnels is roughly 109 miles long and is a waste and flood water diversion system for #Chicago’s metropolitan area. From these tunnels, water is directed and contained in multi-billion gallon reservoirs where it’s cleaned and reintroduced back into a nearby channel that eventually leads to the Mississippi river. Seeing Engineering at this level is a widely eye opening perspective into the lengths necessary for clean water. Photographed on assignment for @ナショナルジオグラフィック


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