It covers a quarter of the United States, and almost as much of the entire world. It results in the creation of most caves visited each year by millions of tourists around the globe, including the ...

The limestone karst formations of Citatah in West Java that first appeared millions of years ago are once again under attack ...

Steven Poulton, Chief Executive of Altus, commented: "The drilling programme and seismic surveys at the Lakanfla project in western Mali have successfully proven the existence of a karst style system.

IPOH: Buntong is a densely populated suburb in Ipoh, famous for its Kampung Kacang Putih, a major hub of Indian delicacies. But few know of a great natural wonder here, a striking karst formation ...