 I'm in the Northeast, and we've had some storms recently where the water is almost coming sideways at the house. So I noticed some staining on my drop ceiling basement tiles, and so they're relatively new. So I removed them and couldn't figure out the source of the water. There's no pipes above. Had a plumber out, and he couldn't figure it out either. And subsequently, we went up to my dining room, which is right above it, and noticed that