یخچال طبیعی

thumb|upright=1.2|Glacier of the Geikie Plateau in Greenland thumb|upright=1.2|The Taschachferner in the Ötztal Alps in [[Austria. The mountain to the left is the Wildspitze (3.768 m), second highest in Austria]] thumb|upright=1.2|With 7,253 known glaciers, Pakistan contains more glaciers than any other country on Earth outside the polar regions. At in length, the pictured [[Baltoro Glacier is the fifth longest alpine glacier in the world.]] A glacier (; or ) is a persistent body of natural ice, a form of rock, that is constantly moving under its own weight. A glacier forms where the accumulat