The caves lies 65 kilometers to the east of the city of Turfan and are constructed or dug in eastern and western cliffs in Toyok Valley . Among more than 40 caves, there are 10 preserving murals. They are considered to be the earliest caves in Turfan, first excavated in the Wei,Jin ,and S outhern ＆ Northern Dynasties. The latest ones were dug in the Tang Dynasty. Most of them are square in shape and have a center pillal. Murals are mostly damaged, but unique in style. They are valuable Buddhish cultural materials of Turfan and the Western Regions. Now it is listed as a major cultural site protected by autonomous region.