Introduction to Dongming Thatched Cottage: Dongming Thatched Cottage was Fan Qin’s library before Tianyi Pavilion was built. Fan Qin (1506-1585), whose courtesy name was Yao Qin and whose name was Dongming, named his study room "Dongming Thatched Cottage", also known as "Yiwu Cottage". The current Dongming Thatched Cottage was rebuilt in 1980.