The prostitutes, pimps and the beauties selling aphrodisiacs in the night market all were products of their "field research" --their little theater is located on Hupei Street, right in the heart of the red light district of days gone by.
劇中的娼妓、拉皮條客和夜市賣春藥的豔星，都是他們實地「田野調查」的成果﹘ ﹘他們的小劇場位於湖北街，正是昔日的風化區。