Bishan derived its name from the large Cantonese burial ground , commonly known as Peck San Theng ( Chinese : 碧山亭 ; pinyin : bìshántīng ) , which means `` pavilions on the green '' .
Bishan is called Bishan because in the past , it used to be a Cantonese cemetery called Peck San Theng ( simplified Chinese : 碧山亭 ; pinyin : bìshántīng ) , which means `` pavilions on the hill '' .