1.   Bristol is penetrated by calcium-loving vegetation growing on the limestone cliffs of the Avon Gorge.

2.   Many feature spectacular limestone cliffs of the sort that rock climbers find irresistible.

3.   Yellow flowers grow in the crevices of the limestone cliffs.

4.   ...high limestone cliffs.

5.   A few days later, they used machetes to hack a trail up the side of the limestone cliffs after reaching the far side of the lake.

6.   Historic Tulum is perched on a limestone cliff overlooking the azure sea.

7.   Here, the naturalist Wallace fell into raptures over the butterflies that flourished in a gorge formed by limestone cliffs.

8.   Like a set of dentures for a colossus, a row of limestone cliffs appears to be gnashing beside the canal at Le Saussois.

9.   On our left were the massive limestone cliffs of Burgess Mountain and on our right was Mount Wapta.

10.   Our building was located beside an old rock quarry, with high limestone cliffs forming a giant backstop to the baseball field.