黄视频网站BeforemanruledtheworldEarthwasalandofgiants.Countdownthebiggestbeastsoftheirkindtoeverroamtheplanetinthiseye-openingoriginalspecialanduncoverthesecretlivesofthesesuper-sizedspecies.Birdswithplane-lengthwingspansdinosaursrivalingaBoeing737thisstunningCGIspecialgoesinsearchofthetruthbehindthesemonsterscountingdown...