Published: Jul 25, 2019, 01:55 IST | Updated: Jul 25, 2019, 01:55 IST
High up in the natural wonder of the French Alps, the climbers who spend their days among the rockfaces and glaciers have come to a grim conclusion: the mountains are falling down around them. In the valley of Chamonix, in the shadow of the Mont-Blanc, global warming is on everyone's minds as many popular routes up or through the peaks have become too dangerous to take because of the risk of falling debris.