While glaciers covered 3,300 hectares of land on the mountain range that divides Spain and France at the turn of the last century, only 390 hectares remain, according to Spain's environment ministry.
The most southerly glaciers in Europe are losing the battle against warming and look set to be among the first to disappear from the continent over the coming decades. Their loss will have a severe impact on summer water supplies in the foothills and southern plains south of the Pyrenees.
