China, Guangxi, Guilin, Limestone peaks and surrounding landscape.

Ireland, County Clare, Rocky shoreline at Black Head with small stack of rocks constructed by tourists.

Ireland, County Clare, The Burren, Clint blocks of limestone and gryke or grike fissures leading to a rock boulder split in two by erosion.

Ireland, County Clare, The Burren, Clint blocks of limestone and gryke or grike fissures leading to a rock boulder split in two by erosion.

Ireland, County Clare, The Burren, A single weathered rock sits on typical limestone landscape.

Ireland, County Clare, The Burren, Poulnabrone Dolmen, the thin capstone sits on two 6 feet high portal stones, these stones created a chamber within which the dead were placed, the people buried here...

Ireland, County Clare, The Burren, Poulnabrone Dolmen, the thin capstone sits on two 6 feet high portal stones, these stones created a chamber within which the dead were placed, the people buried here...

Ireland, County Clare, The Burren, A single weathered rock sits on typical limestone landscape.

Ireland, County Clare, The Burren, Donkey grazing amidst typical rocky terrain with dry stone wall behind.

Ireland, County Clare, The Burren, Two donkeys taking it easy amidst typical rocky terrain with dry stone wall and Atlantic Ocean behind.

Ireland, County Clare, The Burren, General view of the rocky limestone landscape at Black Head.

Ireland, County Clare, The Burren, Rock boulders at Black Head.