Experts say newly found karst cave has sediment 'gene pool' that hasn't been seen before, but it needs to be protected before ...

The pearls are a type of ‘speleothem’ – mineral deposits that are formed in caves by moving water. Unlike more commonly known speleothems, such as stalactites and stalagmites, cave pearls ...

Some are metres wide and form gour pools full of water. And others are full of cave pearls – it truly is a place of many wonders. Cameraman Luke Nelson looks for new camera angles in a natural ...