books.google.fr - Glaciers, so simple in chemical composition, are actually complex, vital entities. Far from being a passive chunk of ice, a glacier is a dynamic system, sensitive to its surroundings and constantly changing to adapt to its environment. An appreciation of the natural beauty of glaciers are created, how...https://books.google.fr/books/about/Living_Ice.html?hl=fr&id=xz47AAAAIAAJ&utm_source=gb-gplus-shareLiving Ice