Part of monster sewer fatberg goes on display at London museum

Museum of London opens putrid exhibit that 'reflects the dark side of ourselves'

Its aroma was once a mix of rotting meat and a toddler's nappy that had been left out for months, but it has now, mercifully, calmed down.

"At the moment it smells like dirty toilets," said Sharon Robinson-Calver, who has led the conservation team at the Museum of London for one of its most challenging and unusual projects.