That's quite something. I'm so used to looking at Christmas and winter train layouts on here I almost didn't even notice The Bing cover.
In case it disappears here are some photos and links...
http://www.bing.com/search?q=C...a%2220141225_0800%22
http://www.bing.com/videos/sea...688A6FC551EFB219D861
http://www.bing.com/search?q=C...tmas&form=hphot2
http://www.bing.com/images/sea...nter&FORM=hphot3