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這座冰川已有20萬(wàn)年歷史卻屬于“年輕”一族是世界上少數活著(zhù)的冰川

2018-11-08 06:35來(lái)源：深圳新聞網(wǎng)

莫雷諾冰川的一段呈冰堤狀，冰堤把冰川與正對面的麥哲倫半島連接起來(lái)。隨著(zhù)流水滲透沖刷，冰堤下部最終會(huì )形成一個(gè)拱門(mén)。當拱門(mén)上方的冰墻漸漸支撐不住時(shí)，便會(huì )轟然崩塌。李仁奇攝

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[責任編輯：李曉蕾]

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