Nirvana has reached a major milestone.
원문출처 : https://www.cnn.com/2019/12/27/entertainment/smells-like-teen-spirit-nirvana-1-billion-views-youtube-trnd/index.html
원문출처 : https://www.cnn.com/2019/12/27/entertainment/smells-like-teen-spirit-nirvana-1-billion-views-youtube-trnd/index.html