Most local folk festivals are for young men-women to flirt, etc. activities including dance (Niu PiGu, Ti DaTui, etc.) and sing (Ge/brother, Mei/sister, QingRen/lovers, etc.), and it's the traditional activities for young people to know each other and look for marriage mates, etc. No very common and OK as long as No physical activities (improper touching, kissing etc.)
