Why is Yongchang Yunzhuang Temple not allowed to enter?

Yongchang Yunzhuang Temple is now accessible. According to relevant information, Yongchang Yunzhuang Temple can be entered as of November 13, 2022. The Yunzhuang Temple Grottoes are located 39 kilometers southeast of Yongchang County, Jinchang City, Gansu Province, in the Qilian Mountains 7 kilometers south of the Nanba Township Government Residency. They were excavated in the Jin Dynasty. According to "Wuliangzhi", the famous monk Moa (Liu Sahe) of the Jin Dynasty lived in Yunzhuang Temple, and there was a place for hanging tin in the grotto.