This photo taken on July 22, 2025 shows a Rheum nobile Hook.f.et Thomson in Shangri-la, the Deqen Tibetan Autonomous Prefecture, southwest China's Yunnan province. Known as "Plant Kingdom" in China, Yunnan nurtures a wealth of rare alpine plants thanks to its unique geographical position, diverse landforms and complex climatic conditions. (Xinhua/Qin Qing)