Katsuji Nakazawa is a Tokyo-based senior staff and editorial writer at Nikkei. He spent seven years in China as a correspondent and later as China bureau chief. He was the 2014 recipient of the Vaughn-Ueda International Journalist prize.

A town north of Fukushima takes great care, time and effort to produce a seafood delicacy that is prized among wealthy diners in China. In fact, kippin dried abalone has become a kind of bond linking Japan to mainland China, a bond that is now fraying. (Source photo by Yuki Kohara)
Beijing's hard line on Fukushima water is upsetting fishermen of kippin, a hidden delicacy