Some 5,000 years ago, on a day with weather much like today’s, a prehistoric person tread high up in what is now the Swiss Alps, wearing goat leather pants, leather shoes and armed with a bow and arrows.
The unremarkable journey through the Schnidejoch pass, a lofty trail 2,756 metres (9,000 feet) above sea level, has been a boon to scientists. But it would never have emerged if climate change were not melting the nearby glacier.
So far, 300 objects dating as far back as the Neolithic or New Stone Age — about 4,000 BC in Europe — to the later Bronze and Iron Ages and the Medieval era have been found in the site’s former icefields. [continue]