but his younger daughter, yuna, is still missing. because of the radioactive leak at the power plant, he's unable to go to the area to search for her. >> translator: i want to go out looking for her but i'm not allowed to. i'm just so sorry that i can't do it. >> reporter: okuma was declared a no entry zone owing to the high levels of radiation and residents are not allowed to return. but on july 12th, kimura was granted permission to enter the area. he was one of the volunteers to organize items pulled from the rubble by the self-defense forces. kimura found his family photo album. there are over 200 pictures inside. one from his wedding. and others taken when the children were born. milestones in the life of his family. unfortunately, the precious memories were contaminated by radiation. despite wiping many times, he couldn't get rid of all the radioactive dust and had to leave some of the photos behind. this is one he could bring back. it was taken on a family vacation when yuna was 6 years old. seeing his two daughters together,