十大巨兽排行榜

内容简介：
Beforemanruledtheworld,Earthwasalandofgiants.Countdownthebiggestbeastsoftheirkindtoeverroamtheplanetinthiseye-openingoriginalspecial,anduncoverthesecretlivesofthesesuper-sizedspecies.Birdswithplane-lengthwingspans,dinosaursrivalingaBoeing737;thisstunningCGIspecialgoesinsearchofthetruthbehindthesemonsters,countingdown...