Yeah that mystified me. Looks like they're shooting a movie as the caption guesses. I doubt that it will fly like that.
Even if you can get enough power from the engines in that configuration (you could) the loads on the wing would be way different what the plane is built for. It wouldn't snap but the fatigue problems would give any structural engineer grey hairs.
"There are no stupid questions, but there are a lot of inquisitive idiots." - John Ringo