Now, researchers from Curtin University have found that the limestone pillars measuring about 5m high and 2m wide were formed 100,000 years ago during what was the wettest period in the area’s ...

The monuments were probably used in connection with social events and rituals and feature distinctive limestone T-shaped pillars, some of which are up to 5.50 meters tall. Some of the pillars, which ...

Over thousands of years, more calcium carbonate builds up making stalactites longer and longer and stalagmites taller and taller until they eventually meet, forming a limestone column or pillar.

Underground rivers dissolve the limestone and carry it away to leave these passageways which can be full of water during periods of heavy rainfall. This is a calcium carbonate deposit like an ...

The Bernese Alps are in southwestern Switzerland. Setting the sight line: After years of climbing up a pair of parallel limestone pillars in the mountains of Switzerland, photographer Thomas ...

Ha Long Bay, in the Gulf of Tonkin, includes some 1,600 islands and islets, forming a spectacular seascape of limestone pillars. Because of their precipitous nature, most of the islands are ...