城市的出现,是人类文明发展到一定阶段的产物。最初仅仅是出于对群体安全的考虑,筑城抵御自然的伤害或同类的相残,不过后来,“物质文明高度发展必然会带来精神层面的追求”这一颠扑不破的真理,促使人们将城市建筑融入了诸多美学因素,建筑文化成为人类生活的当然存在。作为一个专事研究城市建设的学者,刘听女士将这种研究浓缩在了“城市天际线”这一命题中,从而让我们有了“窥一斑而知全豹”的可能。我们节选了其中一部分,得以在中西方城市天际线的演变这种专业性极强的的文字导引下,在多个城市新旧形象的视觉冲击中, The appearance of cities is the product of the development of human civilization to a certain stage. Initially, it was only for the sake of group security that the city was built to resist natural injury or the like, but later, “the unbroken truth that spiritual development will inevitably lead to the development of a material civilization” will prompt people to Urban architecture incorporates many aesthetic factors, and architectural culture has certainly existed as a human life. As a scholar who specializes in urban construction, Mrs. Liu listened to the study “concentration in the city skyline” so that we could have a chance to see the whole city. We have selected a part of it to enable the visual impact of the images of old and new in multiple cities under the guidance of extremely specialized texts evolved from the skyline of the Chinese and Western cities.