180526 2018_Green Concert

Global Economy Times
http://www.getnews.co.kr/news/articleView.html?idxno=71835
http://www.getnews.co.kr/news/articleView.html?idxno=71838

the webdaily
http://www.webdaily.co.kr/view.php?ud=201806050033558611ccf1619543_7
http://www.webdaily.co.kr/view.php?ud=201805270823054928ccf1619543_7