This is a very interesting article written by scientists from the U.K. They visited Fukushima, and went to the Daiichi power plant. (The one that is owned by a Tokyo company and supplied energy to Tokyo. It melted down.) It is an area I NEVER go to. (It’s off limits unless you receive permission.) It’s a long article, but I recommend it.
http://physicsworld.com/cws/article/indepth/2018/jan/09/what-next-for-fukushima
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