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 every single day. Australia's Great Barrier Reef, Antarctica, and the world's other unique ecosystems are highlighted in the gripping and visually stunning documentary. 　　译文(3): 传奇海洋学家Sylvia Earle和一批先驱海洋科学家讲述了地球各地为保护脆弱的海洋生态系统而进行的令人难以置信的工作。《永恒的星球：海洋英雄》展示了海洋的奇迹，展示了我们生活的实验室，以及每天在海浪下进行的重要科学研究。这部扣人心弦、视觉震撼的纪录片突出了澳大利亚的大堡礁、南极洲和世界上其他独特的生态系统。