there's a feeling of connectedness that we don't get with other outside help. >> reporter: sakuma said he's glad his experience 66 years ago is helping people in fukushima today. >> translator: i can feel how much they care about their children. i think we can keep on working together. >> earlier michio kijima spoke with miho fukunaga also covering the accident. >> miho, tell us about the difference between the risks faced by a-bomb survivors and people in fukushima. >> yes the people were exposed to extremely high levels of radiation as a result of the atomic bombings. it happened within seconds. the concern in fukushima has been about the long-term risks of exposure because radioactive materials continue to leak from the nuclear plant. many a-bomb victims died as a result of high-level acute radiation exposure. among those who survived, the effects continue to this day. one day after the accident at fukushima daiichi, the japanese government instructed people to evacuate from areas within a 20-kilometer radius of the plant. >> how, how did those measures protect people from radiation