Several examples of Beijing Opera are provided below:

First is a stylized battle scene.

Next is a scene between the Monkey King and advisaries.

Finally, the following is an old film of the famous actor Mei Lan Fang, one of the most important actors of the 20th century. The film gives you a fairly good idea about the vocal requirements of a man playing a female character.

A lovers' chase scene

Plays (Beijing Opera)