Cai Yan living mainly in Jian years, Cource "indignant poem" After thirteen years as in the Jian.

蔡琰主要生活在建安年间，五言《悲愤诗》当作于建安十三年以后。

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Cai Jian, deputy director of the Centre for Korean Studies at Shanghai's Fudan University, disagrees and tells Global Times that a large-scale military conflict is unlikely to break out because North Korea's threats are largely just psychological warfare against the US and South Korea.

BBC: China media: Views on North Korea