Somewhere in the Koesberg Mountains of South Africa, located deep in the arid Karoo region north-east of Cape Town, there’s an exquisite cave painting of a curious creature. The creature, known as the ...
BEST OF 2019: The Veryovkina Cave is the deepest known cave on Earth. It took half a century and about 30 expeditions for Russian cave explorers to reach its record depth of 2,212 metres.