Sewers are not the sort of places people look forward to exploring! However when you take a look at these 20 interesting (and sometimes very valuable) things found in sewers, you may change your mind. Take for example Nagano in Japan where around $56,000 worth of gold was found in the sludge of a water treatment facility. How awesome is that? Far more awesome than the 15 ton blob of fat and baby wipes which was found down a sewer in London, eww now that's totally gross. Read on and be amazed!
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