The River That Came Clean | Horizon

Duration: 49'56''

Synopsis

A century ago Disraeli called the Thames "a Stygian pool reeking with intolerable horrors". Forty thousand Londoners died of cholera from drinking infected river water. Only 20 years ago the Thames, at low tide, smelled of bad eggs from Westminster to Woolwich. Ships gleaming white for the Festival of Britain turned black as hydrogen sulphide attacked their lead-painted hulls. The Thames salmon vanished for over a century.

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