China Northern Airlines McDonnell Douglas DC-9-82 (MD-82) B-2104 (msn 49425) ZRH (Rolf Wallner). Image: 938550. Copyright Photo: China Northern Airlines McDonnell Douglas DC-9-82 (MD-82) B-2104 (msn 49425) ZRH (Rolf Wallner). Image: 938550. Share this:EmailFacebookLinkedInTwitterPocketRedditTumblrPinterestLike this:Like Loading...