 Many antiques and art works, both Taoist art and Buddhist art, from this period have survived.It was the time of the construction of the Yungang Grottoes near Datong during the mid-to-late 5th century, and towards the latter part of the dynasty, the Longmen Caves outside the later capital city of Luoyang, in which more than 30,000 Buddhist images from the time of this dynasty have been found.The Jin Dynasty had developed an alliance with the Tuoba against the Xiongnu state Han Zhao.