Biking on Cerro San Cristobal. Cerro San Cristóbal is a hill in northern Santiago, Chile. It rises 850 m AMSL and about 300 m above the rest of Santiago; the peak is the second highest point in the city, after Cerro Renca.
The Maijishan Grottoes are a series of 194 caves cut in the side of the hill of Majishan in Tianshui, Gansu Province, northwest China. This example of rock cut architecture contains over Buddhist sculptures and over square meters of murals.