He is like the snow-capped mountains in Switzerland, the stars in the North Pole and the small town of Jianchuan in Yunnan. He only appears in books, TV and in other people's mouths. She is a hut by the lake, a lotus on the snow-capped mountains, the sky behind the stars and a stream in Jianchuan River. Each of them exists, until they are glimpsed by chance, the world is just a foil.