Chadar trek: World's wildest trek under threat

Story highlightsWhen frozen in winter, India's Zanskar River provides the only land route for isolated villagers to reach Leh, the region's capitalThe route through a dramatic gorge with frozen waterfalls has been dubbed the "world's wildest trek"With an influx of adventure seekers and a new road, locals say the trek will disappear along with its traditionsHe remembers shivering in subzero temperatures, remembers how his father, in front of open fires in yawning caves, taught him that the cold was their ally.

How the frozen river offered them a lifeline to reach Leh, the capital of northern India's Ladakh region, bordering the Himalayas, to sell goatskins, butter and copper utensils,