Travel back 20,000 years into the last Ice Age, to a time when the upper reaches of the Blue Mountains were treeless and the ridgelines and mountain peaks laden in snow and ice.

Ice Age Geographers? 20,000-Year-Old 3D Map Found in ... an ancient hydrological masterpiece — possibly the world’s first 3D model of ... as this was happening well into the Ice Age.

An ice age should begin in about 10,000 years, but its onset is most likely delayed due to man-made climate change, an international team of scientists found in their analysis published this ...