On World Day to Combat Desertification and Drought, CGTN's Liu Xiaoxian travels deep into the shifting sands of the Xinjiang Uygur Autonomous Region to uncover a surprising story: a parasitic desert plant – Cistanche, known as the "desert ginseng" – is helping China fight desertification while creating new sources of income. From desert labs to large-scale plantations, discover how ancient herbal wisdom meets modern ecological innovation.