Found in Version:
The circled places are terrain traps: You can't get out without magic. Probably not a bug in most places, but Andothren is going to be one of the very early-game locations, so this is worth improving. If you feel creative, maybe add some hideouts there that make urban exploration somewhat worthwhile.
While at that... flora_bush_01 at (2022, -132136) is floating. This is right near the Andothren Temple entrance.