13 年前
视频简介
After the American Army shot down a UFO in 1947, generations of elite commandos were secretly trained to deal with the aliens' feared return. However, the extra-terrestrials never came back and the elite force was disbanded. Sixty-six years after the Roswell crash, the aliens are invading Earth and only the over-the-hill retired commandos can stop them.。《极地熊踪》之旅从侧面讲述迪士尼自然的《北极熊》背后的公作人员在距离北极300英里的地方所面临的巨大的挑战。团队在那里创建了革命性的北极营地，他们穿越了几乎无法穿越的雪堆和脆弱的海冰，拍摄到了前所未有的镜头，揭示了生物的适应性行为，这些都让这个经验丰富的电影制作团队都感到惊讶。。
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