The trench People in the area called the "elephants", and Chang said will bring forth many elephants, so this area so that the village named bankradueng until now.
Until the trenches People in this area is called the "Tower Defense" and Chang will lead cowbell elephant into this area so many villages that house named cowbell date.
A deep groove, people of that era called this area. "The elephant", and the paper draws such elephant elephant in this area, the village is named home cowbell until the present.