

60 minSeason 1 • Episode 3
LatestFollowing workers across London over three years as they race to build an enormous supersewer on time and on budget. In this episode, tunnelling in central London finally begins.
Following workers across the capital for three years as they race to build an enormous super sewer on time and on budget.
Editing
Turns Victorian sludge into genuine suspense.
Production
Underground cinematography deserves its own award.
Trivia, insights & behind the scenes
The 'fatberg' that sparked this entire project weighed 130 tons and was longer than Tower Bridge.
This project quietly reframes London's entire history as a battle between human waste and human ingenuity.