In the grasslands of Inner Mongolia, China is raising dozens of data centres as physical declarations of national intent — the computational infrastructure behind its ambition to lead the world in artificial intelligence. Reported by the BBC's Laura Bicker on the eve of a Xi-Trump summit in Washington, the buildout reveals how differently two great powers organize their relationship between state, society, and technological destiny. Where American communities debate and deliberate over such projects, China moves with coordinated speed — not because one system is wiser, but because they answer