简介:In this way, Li Yan stayed in Baichengzi and waited. During this period, he visited all parts of Baichengzi to get an on-the-spot understanding of Tongwan City, which was known as the best city in the world a thousand years ago but is now a dilapidated castle. , while thinking about the majesty of Tongwan City in the past and lamenting the current dilapidation, the battle plan in his mind became more and more mature.