[4K] Besides vacationing, what else is there in Hainan Island? "Mountains and Rivers of China" Science Documentary Season 2 Episode 1

Do you know the real Hainan Island? Here you can hear the most loud and moving life song of the most endangered primates on earth; here you can see the most brutal and exciting survival rules in China's most complete island tropical rainforest; here you can touch the most magnificent and lasting shaping of the planetary power from the depths of the earth. "Mountains and Rivers of China" Natural Geography Science Documentary Season 2 Episode 1 - How amazing is Hainan Island? Co-produced by @BYD and @Planet Research Institute. Special thanks to @Hainan Tropical Rainforest National Park