Why Japan's 'Fukushima 50' remain unknownThe BBC's Rupert Wingfield-Hayes looks inside the Fukushima ghost town Entering the exclusion zone around the crippled Fukushima nuclear power plant is an unnerving experience. It is, strictly speaking, also illegal. It is an old cliché to say that radiation is invisible. But without a Geiger counter, it would be easy to forget that this is now one of the most contaminated places on Earth. The sma
