简介：Before man ruled t乐可是什么人物he world, Earth was a land of giants. Count down the biggest beasts of their kind to ever roam the planet in this eye-opening original special, and uncover the secret lives of these super-sized species. Birds with plane-length wingspans, dinosaurs rivaling a Boeing 737; this stunning CGI s99这里有精品热视频pecial goes in search of the truth behind these monsters, counting down ...
