For over twenty years, artist Tran Huu Nhat has quietly traveled through rivers, temples, the citadel in Hue in his journey of recreating sketches of Than Kinh Nhi Thap Canh _ the twenty beautiful landscapes of Hue mentioned in historical records of the Nguyen Dynasty.

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.