牛河梁遗址是重要的红山文化遗址，为了保护其真实感，决定采用露天保护的方法。

Niuheliang archaeological site is an important site of Hongshan Culture. To preserve the cultural and historical value, it is decided that this site should be preserved and displayed in open air.

youdao

牛河梁遗址是重要的红山文化遗址，为了保护其真实感，决定采用露天保护的方法。

Niuheliang archaeological site is an important site of Hongshan Culture. To preserve the cultural and historical value, it is decided that this site should be preserved and displayed in open air.

youdao