 you know, with an interlocking brick and everything, but the bottom part is only single brick. And because it's starting to bow, I'm like, I really don't want to try. I mean, I can just tuck one of it. It's going to hold the bow in place. I'm not sure how I go about fixing that. Do you think it's possible that this was a Yankee basement? In other words, it used to be the double thickness of brick was maybe the original home, and then they dug out the basement and put the additional layer in when they built that part of the foundation? I really don't.