The Sky City expansion has just been previewed over at the Chinese version, and its looking real good. For the first teaser, it is confirmed that there will be a whole new town, more dungeons and instances for players and a new Territorial War spot.
Official English website: http://eso.perfectworld.com/
There will also be quite a few new flying mounts released for this expansion.
Stay tuned as Perfect World Entertainment slowly unveils more information about this upcoming expansion.
Here are some teaser artworks for the expansion:
Update: New artwork for upcoming pets ~!
Update 1: The first few new flying mounts. The dragon can only be gotten by the Guild Leader who is controlling Sky City.
This should be the rarest flying mount, its called the Sky King.
Update 2: The new costumes which only the guild leader controlling Sky City can wear.