1.如播卡顿或失败可切换片源。
2.如播放失败可点击切换线路。
3.我们最近发现视频里开始有插播广告，每个视频大概有好几秒，可以用快进跳过。这些广告都是视频源那边自带的，我们这边无法控制，谢谢大家的谅解。
年份：
2016
主演：
罗伯特·雷德福
类别：
Narrated by Academy Award? winner Robert Redford, National Parks Adventure takes audiences on the ultimate off-trail adventure into the nation’s awe-inspiring great outdoors and untamed wilderness. Immersive IMAX? 3D cinematography takes viewers soaring over red rock canyons, hurtling up craggy mountain peaks and into other-worldly realms found within America’s most legendary o...
