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http://www.newsis.com/pict_detail/view.html?pict_id=NISI20160609_0011785653
http://news.kbs.co.kr/news/view.do?ncd=3292743&ref=A
http://www.yonhapnews.co.kr/bulletin/2016/06/09/0200000000AKR20160609108000001.HTML?input=1195m