Katsuji Nakazawa is a Tokyo-based senior staff writer 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.

As this purported image of the Moskva goes viral on Telegram, Chinese President Xi Jinping might be fretting over the source of his navy's aircraft carrier technologies. (Nikkei montage/Kyodo/AP)
China's treasured Liaoning was made in Soviet-era Ukraine like the Russian flagship