sewer
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Philadelphia’s Newest Park Is Built On Top Of A Sewage Overflow Tank
Venice Island, which officially opened this month in Philadelphia, has all the amenities you might expect from a nice city park — gardens, basketball court, amphitheatre — but also something unexpected: a 15 million litre sewage overflow tank. And you know what? A park built on top of the sewer is a very good thing.
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Ecstasy In London? Heroin In Zagreb? The Answer Is Found In The Sewers
Drug users might be less than forthright about their illicit habits — but they all have to pee. With that in mind, scientists are drug-testing entire sewer systems to study just how popular illegal drugs have become.