Fukushima: robot images show massive deposits thought to be melted nuclear fuel

https://www.theguardian.com/environment/2017/jul/23/fukushima-images-show-massive-deposits-thought-to-be-melted-nuclear-fuel?utm_source=MIT+Technology+Review&utm_campaign=7c8e13ebe2-The_Download&utm_medium=email&utm_term=0_997ed6f472-7c8e13ebe2-153856085