robot with five propellers, two cameras, and four human operator. 100 kilometres away fukushima into shima'sohama rhd centre, i came face—to—face with the start of the investigation. after two months of practice in a duplicate of the flooded pedestal, injuly this year the fish was successful in finding molten clumps of material that could be fuelled debris on the pedestal in unit three. 0ne be fuelled debris on the pedestal in unit three. one of the reasons there is so much water in the reactor buildings is because ground water is leaking in and it needs to be pumped out. the problem is, it cannot be pumped out into the sea. so, how do you stop groundwater from leaking in in the first place? well, you build an ice wall. pipes of coolant have been inserted 30 metres into the ground and they are gradually freezing disloyal and stopping anything from seeping through. it sounds completely nuts. but what else would you do? that is an ice wall! underground! having been criticised in the early stages, it 110w criticised in the early stages, it now seems techco are working hard to make fukushima now