These days ancient cities are being modernized by transforming the old technologies and introducing new techniques in an efficient way. This is not only limited to introducing new technologies, but using the old systems in a systematic and organized way, which makes the development and transition cheaper. For example, in Barcelona the old lamp posts are being used as the access points for Wi-Fi signals. Another instance is that previously the city of Barcelona had 108 bus routes which made the traffic and peoples' movement slow and to make it efficient now it has been divided into 28 different lines. So, ancient cities can be modernized just by incorporating the organized and redesigned framework. Read more at: https://channels.theinnovationenterprise.com/articles/can-ancient-cities-become-smart