剧情介绍
Alaska’swildfrontiersaretheoppositeofthelusciousjunglesandtropicalswampswheremostpeoplethinkdinosaurslived.Yetpaleontologistsarediscoveringaremarkablediversityofuniquespecieslivedabovethearcticcircle70millionyearsago–wheretheyhadtoendurefreezingtemperatures,foodshortagesandatleastfourmonthsoftotaldarkness.
Now,DrPatDruck...
Now,DrPatDruck...
我要评论
登录后参与评论