A sunken German WWI U-boat has been discovered in the North Sea off the coast of Belgium.
원문출처 : http://www.cnn.com/videos/world/2017/09/19/wwi-german-u-boat-found-north-sea-belgium-orig.cnn
원문출처 : http://www.cnn.com/videos/world/2017/09/19/wwi-german-u-boat-found-north-sea-belgium-orig.cnn