“ In 150 years the total surface area of Pyrenean glaciers has gone from ten or eleven square miles [ 25 - 30 sq km ] to two square miles [ 5 sq km ] , ” said glaciologist Pierre René .
“ In 150 years the total surface area of Pyrenean glaciers has gone from ten or eleven square miles [ 25 - 30 sq km ] to two square miles [ 5 sq km ] , ” said glaciologist Pierre Rene .