His mother remembers how, as a boy, Yang would often sit by himself drawing pictures on the ground with colored stones and pieces of charcoal, while other children played noisily around him.
媽媽說他在很小的年紀，就不像別人家小孩那般蹦蹦跳跳、吵吵鬧鬧，常常一個人拿著撿來的彩石或木炭蹲在地上亂畫，一畫就是好半天。