Ill give a short one anyways. Amazing is about the only word that could sum this up. Everything about it is incredible. The best part, besides the overall thing, the parts that you will appreciate the most, is the planet earth diaries at the end of each segment. This a is detailed account of how some of the shots were made, and how difficult or rare some of the shots were to make. The cave section with the mile high moutain of bat guano stands out in my mind, and will in yours after you see what they had to go through to get it the way they wanted it to be portrayed.Thats it, buy it, enjoy it, it is well worth what I consider a cheap cost for something so amazing.