日前，苏州市档案馆收到了一份来自大洋彼岸的珍贵礼物。它有着灰褐色的外表，一派沉稳大度的学者风范，而那三幅深浅不同的苏州地图，更吸引了众人的目光。它，就是全国人大常委会副委员长许嘉璐先生之子、旅英博士许亦农以苏州城为参照，研究祖国城市形态、格局的形成与演变 Recently, Suzhou City Archives received a precious gift from across the Pacific. It has a beige appearance, a calm scholar style, and that three different depths of Suzhou map, but also attracted the attention of everyone. It is the son of Mr. Xu Jialu, vice chairman of the Standing Committee of the National People’s Congress. Dr. Xu Yining, a British travel expert, takes Suzhou City as a reference to study the formation and evolution of the pattern and pattern of the motherland’s cities