Inside Fukushima's Time Bomb

Five years after Japan's Fukushima nuclear disaster many residents are still living in a radioactive nightmare.

Bubbling streams, lush forests, cherry blossoms in full bloom – Japan's north is stunningly picturesque.

But nature's beauty hides a lethal secret – dangerous levels of radiation contaminate this area, fall-out from the Fukushima nuclear disaster.

Five years after the twin catastrophes of the tsunami and nuclear meltdown, villages sit silent and empty.

Thousands of workers still toil to clean up the radioactive material but it could be decades before their work is finished.