The Nuclear Decommissioning Authority has released a report estimating that it could cost nearly fifty billion pounds to decommission the site at Sellafield over the next 100 years.
The authority say that while this is a six billion pound increase upon last year's figure,
"...It was always the case that cost estimates for the complex projects associated with decommissioning Sellafield’s historic waste facilities would increase as these projects mature and our understanding increases."
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Organisers say they are saving money for next year, when they hope the event will take place on closed roads in the Borders.