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Dr. Michelle Oakley, a veterinarian in one of the most rugged environments on Earth. Making house calls in the far reaches of Northern Canada is a daunting task in the least, considering the houses may be separated by hundreds of miles. That challenge doesn't stop Dr. Michelle Oakley from performing her many duties as a veterinarian in one of the most rugged environments on Ear...。穿越时空，解谜文脉传承的密码！文明探源，展现历史传奇！走近了不起的国宝，揭开尘封的历史真相；探寻每一件国宝背后鲜为人知的故事！《了不起的国宝》系列纪录片，通过每一件国宝的讲述，引出国宝背后那些鲜为人知的故事！。