*They do not attack enemy guards from the same town during a PMK switch over and not when called on each others (as they are all non-aggressive).
*Do not build fences on the tile borders of the center tile of a guard tower. Although the fence may be built, it will eventually be destroyed. House walls will withstand a tower's influence, however.
*Cannot be constructed inside the caves.
[[Category:Structures]]
[[Category:Babel/G]]