English Documentary on Polar Bears with Transcript, podcast and illustrated flashcards to improve your listening and reading comprehension and expand your vocabulary Source of documentary: National Geographic YouTube Channel https://www.youtube.com/watch?v=1zRGzlWqce4 Polar bears are not white Polar bears’ fur is not white. The fur is actually transparent; It consists of two layers of transparent hair: a soft, thick … Continue reading English Documentary on Polar Bears with Transcript