你能解释仁寿殿的大镜子是怎么回事吗？

Could you explain a little about the big mirrors in the Hall of Benevolence and Longevity?

youdao

你能解释仁寿殿的大镜子是怎么回事吗？

Could you explain a little about the big mirrors in the Hall of Benevolence and Longevity?

youdao