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 ...《十大巨兽排行榜》是Oliver Twinch于2015 年在美国 导演，由Jonathan Bloch,Gareth Dyke,Brian Farrell等出演,剧中使用英语对白,是一部纪录片电影。