What is NATO, why is it important and what's its future? CNN's Nic Robertson explains.
원문출처 : https://www.cnn.com/videos/world/2017/01/20/what-is-the-point-of-nato-robertson-sdg-orig.cnn
원문출처 : https://www.cnn.com/videos/world/2017/01/20/what-is-the-point-of-nato-robertson-sdg-orig.cnn