11.   The caves and grottos that dot the sandstone cliff next to the massive Buddha figures in Bamiyan were once used for prayer and meditation by ancient monks.

12.   The stone was no problem, being easily obtained from the surrounding sandstone cliffs.

13.   The visitor center at the top of a mountain offers views of sandstone cliffs and the ocean hundreds of feet below.

14.   The wildly shaped sandstone cliffs, canyons and outcrops are colored in other-worldly hues ranging from flaming orange to deep crimson.

15.   They now live in one of the grottoes that freckle the colossal sandstone cliff where the Buddhas stood.

16.   Wind and water had carved sandstone cliffs into fantastic, contorted cathedrals of rock.

17.   People had been climbing sandstone cliffs in the gorge, damaging them and creating a risk of increased erosion in the delicate ecosystem, Hill said Friday.