Inside the most dangerous parts of Sellafield

Sellafield is one of the most contaminated industrial sites in Europe. Crumbling, near-derelict buildings are home to decades worth of accumulated radioactive waste - a toxic legacy from the early years of the nuclear age.

Now its operators are in a race against time to make the most dangerous areas safe. Here's a look at the technology being used in the clean-up operation.

26 August 2018