Oceans

الموسم 1، الحلقة 5: The Ocean...the world's largest ecosystem. Almost 3 million square kilometres of water surrounds China, from the magnificent coral reefs in the South China Sea to the deep-sea world of the Okinawa trough in the East China Sea, and the sea pasture of Yellow Sea and Bohai. In this episode, we will see the rich and colorful underwater world maintain by coral reefs in the South China Sea.