Amazingly heartwarming story of 200 sixty plus year old Japanese pensioners volunteering to tackling Fukushima.
Volunteering to take the place of younger workers at the power station is not brave, Mr Yamada says, but logical.
"I am 72 and on average I probably have 13 to 15 years left to live," he says.
"Even if I were exposed to radiation, cancer could take 20 or 30 years or longer to develop. Therefore us older ones have less chance of getting cancer."
On a much lighter note, I have often joked that I plan to take up smoking when I retire, but these Japanese pensioners are taking that logic in a very important and serious direction.