《耕种姐姐肥沃的土地》在线观看电视 - 全集完整版 御龙刀主（举世欠我赊刀债）-韩剧网From the mighty Amazon’s icy source to its plume reaching as far as the Caribbean, National Geographic Explorer teams conduct groundbreaking research to take the pulse of one of the planet’s integral and endlessly magical resources. From the health of river turtles and pink dolphins to the migration of Andean bears, extreme urgency is met by equally hopeful solutions.　　Premieres October 10 at 9/8c on National Geographic　　Streams next day on Disney+ and Hulu