Face changing is an important feature of Sichuan Opera, one of China's oldest regional operas. It is the art of changing vividly colored masks on an opera performer’s face within a split of a second, multiple times. If it’s magical to see how they do it in lightning speed, it becomes unimaginable to see puppets and their puppeteers do face changing at the same time on stage. But to retired Chengdu rod puppet performing artist Wei Zuochun, it’s just something she has always done.