In the era of generative AI, every click, prompt and answer relies on a tiny unit of data called a "token." China's daily token usage skyrocketed to 100 trillion by the end of 2025, and demand for computing power has hit a fever pitch. But the heart of this digital revolution isn't in a coastal tech hub – it's in the western city of Qingyang in northwest China's Gansu Province. CGTN's Yi Ming tells us how this "token factory" is turning green energy into the world's most valuable digital currency.