The Palace Museum is so large. 故宫太大了。

Yes, you are right. It covers 720,000 square metres. 是的，你说对了，它占地72万平方米。

There are so many rooms, too. 房间也很多。

Yes. It is said that the Palace Museum contains¹ 9,999 rooms. 是的。据说故宫有9999个房间。

9,999 rooms? I hardly believe it. 9999间？我真不敢相信。

Do you know why it's called Forbidden² in ancient times? 你知道古代它为什么叫紫禁城吗？

No, I don't know. 不，我不知道。

Because it's "forbidden" to the common people. 因为它是“禁止”老百姓入内的。

So we are lucky now. 所以我们现在很幸运。

I think so. 我也这么认为。