Alongside preservation of palaces and temples, the heritage conservation efforts in the Ancient Capital also include the care, restoration, and propagation of trees, protecting ancient and precious species within relic sites, helping maintain the harmonious beauty of architecture and nature - a hallmark of Hue’s heritage space.

In their search efforts, experts and wildlife conservationists have recorded the existence of many rare and precious snake species in various habitats.

Since the recognition of their existence, at specific intervals, the fate of the "earth dragon" species has been classified according to different conservation levels. Therefore, various authorities have employed diverse methods to search for and preserve this rare and precious dragon species.