Dagu Glacier

The air was thin as a group of scientists trudged through snow near the peak of the Dagu Glacier in southwestern China on a gloomy June morning. It was quiet up there, 3 miles above sea level, except for the sound of running water - a constant remind

The air was thin as a group of scientists trudged through snow near the peak of the Dagu Glacier in southwestern China on a gloomy June morning. It was quiet up there, 3 miles above sea level, except for the sound of running water - a constant remind