这是一部关于恐龙的科教记录片,　　北极：7千万年前。一个极端的世界。夏季的阳光变成了24小時严寒的夜晚。恐龙们不得不做出选择，勇敢的向南迁徙以寻找阳光。一段充满了暴风雪，火山爆发和致命狩猎者的危险旅程，一个年轻的埃德蒙頓龙开始了他的第一个千里迁移.　　片中令人惊叹的CG动画 和精心构建的数码世界，可以說是真正的恐龙电影演变,令人震撼.　　The Arctic 70 million years ago. It is a world of extremes. Tropical summers of 24hr sunlight are replaced by freezing winters of continuous night. The remarkable dinosaurs that lived under the Northern Lights had to make a choice, brave the winter or head south to find the sun.　　Join Scar, a young Edmontosaurus embarking on his first thousand-mile migration. It is a journey for survival that is fraught with danger; blizzards, volcanic eruptions and deadly predators lie ahead. Meanwhile Patch, a juvenile Troodon, left alone in the North, must learn to survive in one of the harshest environments the Earth has ever known.　　This epic feature-length adventure portrays an incredible polar odyssey that actually happened but has never　　been witnessed before. Based on recent fossil evidence blasted out of the ice around the No