Japan's Fukushima 50: Heroes Who Volunteered to Stay Behind at Japan's Crippled Nuclear Plants

They are the nameless brave men who are working as the last line of defense at Japan's crippled Fukushima nuclear plants. They stayed behind while everyone else was sent nearly 15 miles away and radiation soars to menacing levels.

There are 200 of them and they work in shifts of 50, earning the inaccurate nickname the Fukushima 50.

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