Since the normalization of Sino-Korean diplomatic relations in 1992, many South Koreans have moved to China for business, education, and other purposes. There they have encountered Korean-Chinese; ethnic Koreans who have lived in China for decades. This has lead to 'intra-ethnic conflict' which has divided Korean communities. | International Ethnic Networks and Intra-Ethnic Conflict by H. Kim, Hardcover | Indigo Chapters