《配乐大师：约翰·威廉姆斯》夜月直播在线直播刺激战场在线免费观看高清-九九电影 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