The scenes were captured by a camera attached to a 50ft rod and inserted into reactor 2 at the doomed Japanese power plant, on the country's north east coast.
Footage shows melted nuclear fuel attached to the pillars, walls and ceiling, as well as puddles of coolant, and debris piled up 16 to 27ins thick on the ground.
Analysis of the images by the International Research Institute for Nuclear Decommissioning said the spread of debris was suggestive of several holes in the reactor floor.
It is seven years since the disaster was unleashed by the TÅhoku earthquake and tsunami. But due to the deadly dose of radiation inside Fukushima, humans have to rely on robots to explore it – and even these have been left malfunctioning and broken...read more>>>...
