< p > natural big events is a BBC nature documentaries from February 11, 2009.[1< p > natural big events is a BBC nature documentaries from February 11, 2009.[1] the British version is by David attenborough and be displayed in the BBC hd.It should not be confused with readers in 1996 # 39;Digest the video series of the same name.< br / > in the United States, the series will be broadcast on the discovery channel alternative title of nature's most amazing events.< / p >详情