剧情 十大巨兽排行榜 的评分为6.0分，共有69人参与。Before man ruled the 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 special goes in search of the truth behind these monsters, counting down ...剧情 十大巨兽排行榜 豆瓣评分（8.0）