One of the scientists leading the cleanup of the Fukushima Daiichi plant in Japan says there is "lots to learn" from Sellafield.
The 2011 Japanese earthquake and tsunami triggered an explosion at Fukushima. It was the world's worst nuclear accident since Chernobyl.
In the years following the disaster the British government agreed to help the Japanese clean up the nuclear plant. Scientists and engineers from Sellafield have been at the forefront of that partnership.
Professor Hajimu Yamana is from the Nuclear Damage Compensation and Decommissioning Facilitation Corporation of Japan (NDF). He has been visiting Sellafield on a fact-finding trip:
Staff from Sellafield and the British Nuclear Decommissioning Authority have already visited Fukushima.
Although Sellafield and Fukushima have very different histories both will be dealing with their nuclear legacies for decades. Both plants hope they can benefit by working together.