北京是處於農牧交界地，多民族元素更豐富。這個也沒有必要去攀比了。各種曆史的演變。

來源: Windy2009 於 2023-05-12 11:03:53 [博客] [舊帖] [給我悄悄話] 本文已被閱讀：次

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