Trailer for the documentary Na Nai’a: Legend of the Dolphins.  For fifty million years they've been roaming the oceans of the Earth. The dolphins of the world unite in this fantastic story of their power, their message to humanity, and their survival. They lived on land and then took over the sea, forming the Great Dolphin Tribe. One day, the sea trembled and middle earth rose up in volcanoes, spilling lava and splitting the land. There was fire in the water, the continents shifted and the tribe became divided. They evolved to become many species and traveled to eight corners of the world. Touched with humor and alive with thrills, breathtaking cinematography captures the incredible beauty and staggering you are there dramatic journey of the dolphins, through the oceans of Hawaii, The Bahamas, Canada, Australia, New Zealand, South Africa, Mozambique, and the Amazon River of Brazil. Predators hunt them, Pollution of their environment endangers them, but these intelligent beings continue to live effortlessly as the guardians of the sea.