With extreme heat raging in the south of Europe, here's my piece about hiking on Aletsch, the greatest glacier in the Alps – now going the way of all glaciers in this age of climate change. 'Last-chance tourism', or something else? For Guardian Travel
https://theguardian.com/travel/2023/jul/10/i-walked-the-alps-largest-glacier-it-felt-like-last-chance-tourism-