why on earth should you explore the mesmerizing nature documentary earth . how much time do you have on earth so i can explain this to you . ok and i will not elongate my review exploration on earth to infinity and but i must stand my ground on why this be a must see . the documentary take a nature round trip on the migration path on three animal family represent a female polar bear and her cub with the real life subplot of the father bear dare it out to hunt for food in his isolated path and a mama of a whale with her baby whale take a whale of a migration tour for prey and and an elephant mama with her small ( maybe not so small and they be elephant ) offspring migrate in africa . director alastair forthegill and mark linfield do an out of this earth job in also capture the survival skill of many other animal specie besides the magnetic shot of our three animal family protagonist . the cinematographically skilled team of richard brook burton and mike holding and adam ravetch and and andrew shillabeer be animales in camera shoot the wondrous nature site and animal instinctive behavior while not to mention and the slo mo animal prey shot be u n b e l i e a v a b l e. earth be also a lesson learner on the global warming effect on the animal while the papa polar bear in the doc be the poster animal boy on that consequence . so fellow earthling and it be time to take the documentary voyage to visit earth today . good .