Yoon says nuclear power plants are number one contributor to Korea's e… ArirangNews 0 16 10.31 00:11 https://www.youtube.com/watch?v=h6uhFZdM3EQ + 3 https://www.youtube.com/feeds/videos.xml?channel_id=UCzznO4xSV8BKnUBPy… + 2 Yoon says nuclear power plants are number one contributor to Korea's economic success