During the day, because the composition of the population in the mountain area is simple, and everybody knows everybody else, it is easy for the villagers to discover any ill-intentioned interloper. "Nightime is the main focus of preventing criminal behavior," says Kao Cheng-sheng.
在白天，因山區人口簡單，彼此認識，只要有心懷鬼胎的陌生人，很容易被村民發覺；「夜晚才是防範不法之徒的重點」，高正勝說。