请阅读下面短文，并按照要求代李华向外国朋友用英语做一个150词左右的现场解释。

    One day Li Hua was showing some friends from England around the Forbidden City. When the foreign friends saw the decorative patterns of dragons in the palace, they were amazed, for in the western culture, the dragon is a symbol of devil, while it is the totem(图腾)of Chinese nation, which interested them. And then they asked Li Hua to brief them on dragons' relevant information.

【写作内容】

⒈概述上述信息的主要内容；

⒉简要说明中国人自称龙的传人(descendants)的原因；

⒊你如何看待这种中外文化的差异。

【写作要求】

⒈写作过程中不能直接引用原文语句；

⒉作文中不能出现真实姓名和学校名称；

⒊不必写标题。

【评分标准】

内容完整，语言规范，语篇连贯，词数适当。