randd from fukushima in toshiba's yokohama r and d centre, i came face—to—face with the star of the 300 with the star of the investigation. —— 300 kilometres. after two months of practice in a duplicate of the blood and pets —— pedestal, mini sunfish was successful at finding melted concert material that could be fuelled debris on the pedestal in unit three. one of the reasons there is so much water in the reactor buildings is because groundwater is leaking in and it needs to be pumped out. the problem is it can't be pumped out into the sea. there is still about 150 tons of groundwater leaking into the site every day and although they can use some of that to cool the fuel rods, it all gets contaminated survey need to store the access in these tanks. each one holds 1200 tons of water and there are currently 900 of these tanks here. it is obviously impossible to keep building these tanks at the rate of one every eight days. i don't know what they are going to do with them ever. so how do you stop groundwater from leaking in with them ever. so how do you stop groundwaterfrom leaking in

five propellers, two cameras, and four human operators. 300km away from fukushima, in toshiba's yokohamaface—to—face with the star of the investigation. after two months of practice in a duplicate of the flooded pedestal, injuly this year, mini sunfish was successful in finding molten clumps of material that could be fuel debris on the pedestal in unit three. one of the reasons there's 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 can't 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 the soil and stopping anything from seeping through. it sounds completely nuts. but how else would you do it? that is an ice wall! underground! having been criticised in the early stages, it now seems tepco is working hard to make fukushima safe. it's rebuilt and reinforced working areas, sealed the soil in concrete, and reduced radiation levels. in ourfour—hou

five propellers, two cameras, and four human operator. 100 kilometres away fukushima into shima's yokohama 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 seems te

with five propellers, two cameras and four human operators. 300km away from fukushima in toshiba's yokohama came face to face with the star of the investigation. after two months of practice in a duplicate of the flooded pedestal, injuly this year, mini sunfish was successful in finding melted clumps of material that could be fuell debris on the pedestal in unit three. one of the reasons there is so much water in the reactor buildings is because groundwater is leaking in and it needs to be pumped out. the problem is it can't be pumped out into the sea. there's still about 150 tons of groundwater leaking into the site every day and although they can use some of that to cool the fuel rods, it all gets contaminated so they need to store the excess in these tanks. each one holds 1,200 tons of water and there are currently 900 of these tanks here. it's obviously impossible to keep building these tanks at the rate of one every eight days. i don't know what they are going to do with them ever. so how do you stop groundwater from leaking in in the first place? well, you build an ice wall. pipes of

with five propellers, two cameras, and four human operators. 300km away fu kushima in toshiba's yokohama finding molten clumps of material that could be fuel debris on the pedestal in unit three. one of the reasons there's 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 the soil and stopping anything from seeping through. it sounds completely nuts. but how else would you do it? that is an ice wall! underground! having been criticised in the early stages, it now seems tepco is working hard to make fukushima safe. it's rebuilt and reinforced working areas, sealed the soil in concrete, and reduced radiation levels. in our 4—hour visit, we received the radiation dose equivalent to four dental x—rays, but there is such a long way to go. decommissioning the site could take 40 years. and it may

with five propellers, two cameras and four human operators. 300km away from fukushima in toshiba's yokohamasuccessful in finding melted clumps of material that could be fuell debris on the pedestal in unit three. one of the reasons there is so much water in the reactor buildings is because groundwater is leaking in and it needs to be pumped out. the problem is it can't be pumped out into the sea. there's still about 150 tons of groundwater leaking into the site every day and although they can use some of that to cool the fuel rods, it all gets contaminated so they need to store the excess in these tanks. each one holds 1,200 tons of water and there are currently 900 of these tanks here. it's obviously impossible to keep building these tanks at the rate of one every eight days. i don't know what they are going to do with them ever. 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 30m into the ground and they're gradually freezing the soil and stopping anything from seeping through. it sounds completely nuts, b