Why does the text call the nanchan temple, wutaishan the most important example of early chinese architecture?

Nanchan Temple is a Buddhist temple located in the site of Wutaishan, Shanxi Province, China. It is a very important example of early Chinese architecture because its so-called Buddha Hall - an area inside the structure reserved for praying - is the oldest or earliest wooden building that still exists in China. Considering that it was built in the year 782, during the famous Tang dynasty, and that wood is a delicate material that does not stand the test of time, it certainly deserves that title.

In addition, the building preserves a set of sculptures from the same period.    

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