This advertisement hasn't something special apart from the use of outfits from a pre-collection. It's unusual and special to see looks completely taken by a precollection. Because, the locations and the campaign in general hasn't anything really new apart from that thing.
In the end I find really beautiful and "very Chanel style" the first shirt, transparence, that looks better in the adv maybe for the dark atmosphere of the pic.
Images via:
Vogue (show pics)
Vogue magazine (the adv, scanned)