类型：纪录片
地区：美国
年份：2015
导演：Jonathan,Bloch,Gareth,Dyke,Brian,Farrell
主演：Oliver,Twinch
简介：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 wit...