warning_amberतपाईंको भाषामा न त अडियो न उप-शीर्षकहरू उपलब्ध छन्। अङ्ग्रेजी मा उप-शीर्षकहरू उपलब्ध छन्।
यस चलचित्रका बारेमा
Follow National Geographic photographer James Balog across the Arctic as he deploys time-lapse cameras designed for one purpose: to capture a multi-year record of the world's changing glaciers.