Planet Earth is a 2006 television series produced by the BBC Natural History Unit
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Five years in the making, it was the most expensive nature documentary series ever

commissioned by the BBC, and also the first to be filmed in high definition.The

series was co-produced by the Discovery Channel and NHK in association with the CBC,

and was described by its makers as "the definitive look at the diversity of our 

planet".
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.Length: 04:42
.Resolution: 1280 x 720