Places that form symbolic barrier against evil, huh?

[Surely burial traditions vary between cultures as much as anything else and Iskandar is more used to tombs than cementaries but he hasn't seen either here. Not that he was actively looking for any but still, it's weird.]

I'm afraid I won't be able of help here. I've always thought I know this city quite well but I cannot recall anything other then the Bright Wall that might fit this description.

[And they both now that the wall is the protection against a completely different type of evil.]