美国记录《十大巨兽排行榜》（2015）完整版全集免费在线观看，OliverTwinch自演，综合评分1.0分，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 ...