Yoon says nuclear power plants are number one contributor to Korea's e… ArirangNews 0 12 10.31 00:11 https://www.youtube.com/watch?v=h6uhFZdM3EQ + 1 https://www.youtube.com/feeds/videos.xml?channel_id=UCzznO4xSV8BKnUBPy… + 1 Yoon says nuclear power plants are number one contributor to Korea's economic success