The concept of cities need to be reinterpreted as it requires new solutions on transportation, security and waste management, Turkey’s first lady said on Friday.

Speaking at Kartepe Summit themed “Urbanization and Happy Cities” in the northwestern Kocaeli province, Emine Erdogan said the change cities are exposed to has been one of the main concerns of people from the past to the present.

Read more: 'Turkey aims to achieve zero waste by 2023'