Not a church. I have been in this wretched place. It does not really appear this way. This image comes from using a wide-angle lens. The hall sure is ugly though! 🤮
Yeah, someone created the serpentine look using a wide angle lens, but, as you said, it's hideous nonetheless, and it is hard to "unsee" the serpentine aspects, the two pillars that could be fants and the side windows eyes.
Here's a side view without the extra curvature of the sides ...

And then there's this monstrosity up front ...
