China promises 500 'smart cities' by year's end

China has announced a bold plan to establish 500 'smart cities' nationwide by the end of 2017. Image: CCTV camera (AAP)

Using cloud technology and artificial intelligence, these cities will collect and centralise data on everything from transport and waste management, to pollution and crime.

 

The government says smart cities will improve urban planning and boost the economy but critics say it's all about tightening control.