The Core Issue: How ice cores are revealing the Himalayas' great melt
What are ice cores? How do they help scientists reconstruct past climate? And what secrets are they revealing about the great melt of the "Third Pole," as the Tibetan Plateau is called? CGTN reporters climbed 6,500 meters above sea level on Mount Qomolangma with a team of glaciologists from the Chinese Academy of Sciences to find out the answer.