复制下方链接，去粘贴给好友吧：America's Wild Spaces: Grand Canyon--影视啦-复制链接
剧情介绍
暂无National Geographic joins a rare scientific expedition to explore the 277 mi. of the Grand Canyon. Explore its geological history, study the microscopic colonies of vegetation and examine its unique creatures to unlock mysteries of this great wonder.
不是纯风光展示，而是人与自然；应该普及。