onagawa workers also practiced injecting water into reactors using special vehicles introduced last march. >>> children who experienced the earthquake and tsunami last year have been creating craft work with debris from the disaster. a special exhibition of the work was held in italy. what sort of feelings are the children putting in their work? nhk world's michelle yamamoto reports. >> reporter: this is an exhibition of craft work by children who survived last year's march disaster. they're unique. every item on display has a face, and it's very charming. all these one-of-a-kind items are made of wreckage from the disaster that's been dug out piece by piece, washed away driftwood, kitchen tools, buckets, have all been given new life. look over there, another funny face, but in fact, it used to be a sandal. these are all the work of children who survived the disaster. they're full of humor, which makes visitors smile. >> translator: it's amazing that every work has a smiling face. >> ishinomaki city, miyagi prefecture, is the home of the children who created the craftwork. local people ar