Xubao city site when was the Tanyu age of Chinese history is one of Longshan culture in Northwest Henan.

徐堡城址是豫西北地区一座龙山文化城址，大体上相当于我国历史上的唐虞时代。

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Xubao city site when was the Tanyu age of Chinese history is one of Longshan culture in Northwest Henan.

徐堡城址是豫西北地区一座龙山文化城址，大体上相当于我国历史上的唐虞时代。

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