Mudslide Danger on Mont Blanc Subglacial Lake Threatens Alpine Community

Engineers are beginning a delicate operation to drain a huge lake under a glacier on Mont Blanc. If it bursts, it could trigger a giant mudslide that would threaten thousands of people in the valley below.
Mont Blanc may be beautiful, but its glaciers conceal dangers.

Mont Blanc may be beautiful, but its glaciers conceal dangers.

Foto: AFP
dgs -- with wire reports