Alpine hiking routes off-limits as glaciers melt at an alarming rate
Little snow cover and glaciers melting at an alarming rate amid Europe's sweltering heatwaves have put some of the most classic Alpine hiking routes off-limits. Usually at the height of summer, tourists flock to the Alps and seek out well-trodden paths up to some of Europe's most iconic peaks. But with warmer temperatures speeding up glacier melt and thawing permafrost, which