The collection of "very rare" cave pearls includes examples that were found to contain archaeological artifacts—a world first ...

The research team had not been searching for cave pearls – but came across an opening to a sealed segment of the tunnel while ...

Yechezkel. "Our initial research focused on mapping and surveying for archaeological artifacts within the spring tunnel. Cave pearls, a rare type of speleothem, were not the primary objective of ...

Rivers flowing through cracks in the limestone gradually eroded the rock, carving out the giant tunnel. The cave was discovered in 1990 by Ho Khanh, a local resident, who stumbled upon it while ...