Photo taken on April 28 shows the scenic spot of Xumi Mountain Grottoes in Guyuan City, Ningxia Hui Autonomous Region. Located at the northwest of Guyuan City, the grottoes stretching 1.5 kilometers at the Xumi Mountain is comprised of 162 caves and over 350 statues. Originally built in the Northern Wei Dynasty Taihe Period (477-499), the grottoes were renovated and carved in the Northern Zhou Dynasty (558-581), Sui and Tang Dynasties (581-907).