"If some kids in my class behave well and they like my painted stones, I will give one to him or her as a reward. And I'm also asked to customize the stones by my friends", said Li. (Photo: IC)

李维维说：“我平时教课的小朋友，要是他们上课表现好，又喜欢我的小石头，我就会选一个送给他们。还有同学朋友要求定做。”

Editor: Wang Jiaye