圣人说,理想的城市应当是四四方方的,好比 大地的形状,而北宋都城开封却突破了四方 城墙的限制,以惊人的速度向外扩展。曾有一 个时期,这里汇聚着中国最多的人口,有官 吏、商人,还有盐贩和算卦者。财富在此增值, 贸易在此开展,变革在此孕育,一个叫黄庶的 宋代诗人这样写道:卞都峨峨在平地,宋恃其 德为金汤。 Sage said the ideal city should be square, like the shape of the earth, while the capital city of Kaifeng Northern Song Dynasty has exceeded the restrictions of the Quartet walls, outward expansion at an alarming rate. There was a period where the largest population of China, officials, merchants, salt traders and gossipians came together. Wealth in this value-added, trade carried out here, change in this breeding, a man named Huang Shu Song Dynasty poet wrote: Bian all Emei in the flat, Song relies on virtue as a golden sauerkraut.