I don't have a lot to go on and as you see the photograph isn't very good. Someone had done some sort
of editing and turned it into what he thought was a work of art.
If you look at the engine closest to you you'll notice a " hump " at the top of the cowl. That might be
the best clue out of the shot and I hope someone has an idea what it is. Then again if you compare that
cowl to the one furthest away it could be an optical illusion. The more I compare both the more I think there's a hump.
There might be a second clue. Look at the base of the prop not far from the shaft. It seems for lack of a better term " trimmed " or " shaved "
to give it a different shape and not flowing as would be usual.
If you know I thank you.
If not.... I understand.

Merry Christmas to all................