摘要
Cities have been undergoing changes through thousands of years since they first emerged.The“city dwellers”of the agrarian age could not have imagined the hustle and bustle of traffic,a serpentine overpass,or a towering skyscraper.The only constant in ever fluid cities is change.Technological advancements,among others,have driven the changes of cities.By helping improve urban management and people’s life,new technologies such as big data and cloud computing are playing an increasingly important role in shaping cities.