外星人记者伊克斯比、皮克斯比和克罗来到一个可爱但奇怪的星球——地球,在那里他们试图了解人类和他们的爱好。。Legendary oceanographer Sylvia Earle and a cast of pioneering marine scientists tell the story of the incredible work being undertaken across the planet to protect the fragile ecosystem of our oceans. Perpetual Planet: Heroes of the Oceans is a showcase of the wonder of the sea, of the living laboratory we all live in and of the vital science being carried out beneath the waves...。