变暖的地球

视频简介

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...。