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：
2014
主演：
布莱恩·考克斯
类别：
In this spectacular series, Professor Cox offers an original new perspective on human life: the story of a group of apes that evolved to leave their home planet and step out into the universe.
Humans are curious creatures. Of all the species on Earth, we alone ask questions. This series tackles the greatest questions we've ever asked. Where are we in the universe? Why are we he...
