The production team spent 1,904 days visiting 43 countries and regions on six continents, exploring many amazing habitats on Earth with advanced filming equipment such as light drones, high-speed cameras and long-range deep-sea submersibles, presenting the most magnificent wonders of the natural world and the incredible survival legends of wildlife, revealing the amazing changes and far-reaching impacts of nature, and experiencing the continuation and reincarnation of life. The Continuity and Reincarnation of Life.