An aerial view shows Naraha town, near the tsunami-crippled Fukushima Daiichi nuclear power plant, in Fukushima prefecture, in February 26, 2012 (top) and February 25, 2015 (bottom), in this combination picture released by Kyodo on March 7, 2015, ahead of the four-year anniversary of the March 11, 2011 earthquake and tsunami disaster. [Photo/Agencies]