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Dam linked in

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  I think the strongest thread for your LinkedIn post is the unexpected intersection of war, civil engineering, wastewater history and environmental protection. You went expecting to see an engineering story about repairing a dam, but came away thinking about a different engineering story, one that was largely absent from the exhibition: what happens when catastrophic infrastructure failure meets inadequate sanitation, and whose suffering gets remembered. For your professional network, I would make the post reflective rather than accusatory, and use your wastewater expertise to...
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Dambusters

  When the  Ruhr Valley  flooded  following the British Royal Air Force's famous  "Dambusters" raid  ( Operation Chastise ) on the night of May 16–17, 1943,  the region  did not have a conventional underground sewer system  like other major European cities. Instead, the entire region relied on a unique, massive  open-air sewer network  centered around the  Emscher River .  [ 1 ,  2 ,  3 ] Why there was no underground sewer system During the late 19th and early 20th centuries, the Ruhr Valley experienced a massive industrial and population boom. However,  extensive coal mining  honeycombed the ground, causing the land surface to sink and shift constantly.  [ 1 ,  2 ,  3 ] Because of this severe ground subsidence, engineers could not build traditional underground brick or clay sewer pipes—the shifting earth would quickly crack, burst, and destroy them. To solve this, the regional water boar...
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