Interesting idea patented by Airbus on a new way to load planes:
http://www.foxnews.com/travel/2015/0...arding-backup/
Also of note, the article is about Airbus and Fox has a 737 pictured.
Here's a Daily Mail article: dailym.ai/1IBRxJT
I question how the bridges would work with the wings at the centre of the plane?