london
FATBERGS
“A nice working environment” is not how most would describe a city sewer system, but to Rob Smith, “head flusher” at Thames Water, traversing the bowels of London has its upsides. Smith and his team of 39 flushers are responsible for unclogging sewer tunnels of “fatbergs”– congealed deposits of cooking oil and flushed waste that look as disgusting as they sound. Fatbergs are typically formed of… 
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