Criminal gangs have turned Britain's waste system into a goldmine and transformed pockets of the countryside into toxic wastelands. But how do you hide an 11,000 tonne illegal dump in plain sight?

Reporters: Jeevan Vasagar and Jonathan Lewis

Producer: Jonathan Lewis

Sound design: Dominic Delargy

Artwork: Lucy Stevenson

Executive producer: Matt Russell

Editor: Jasper Corbett

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