Ventilation in portable toilets goes beyond just having vents—it involves a strategic design that allows for optimal airflow, thus preventing the buildup of unpleasant odors and promoting a cleaner environment.

This Moon-cake (also named "Zhuang-yuan Cake") gambling custom has been a part of Minnan culture for at least 300 years so far. This unique custom tacitly transforms a simple dice game into a game, which encourages people to pursue a higher rank in the ancient imperial examination.