Dominic Nahr, a photojournalist with Magnum Photos, feels even more horrified in Fukushima Prefecture than he does in such conflict-ravaged countries as East Timor or Somalia.

Still, the 30-year-old keeps returning to the radiation-hobbled prefecture to take shots of residents and former workers at the Fukushima No. 1 power plant, which was crippled by the Great East Japan Earthquake and tsunami.

"It is an important theme for human beings," Nahr said in a recent interview in Tokyo.