《空色》免费高清欧美大片在线观看-欧美动作片-最新好看的欧美动作电影在线观看-动作电影大全-飘花电影网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