The arch hangs above the path leading to the plaza. Naiya lived in this arch, and Mimi usually stood under it. Maggie also stood beneath it near the end of the game. Highyard's arch was also hit by the specter, unfortunately taking a lot of damage.
Twisted Lamp Post
Chippe guarded this building, which was at the far right of the plaza. Jakes worked here, and it was full of officers, as Professor Layton, Luke and Emmy could hear them all talking behind one of the doors.
This silent pathway is left of the plaza. Sean stood in the middle of the path, with Otaki-san at his right at the end of the game. The townscape is below the camp.