23 October 2014
Last updated at 17:07
More Features
-
Could VR help build better cities?
Architects use the latest technologies to visualise buildings before construction starts
-
What if...you could design a city?
The BBC asks a range of experts what they would do if they could build a city from scratch.
-
Building cities of the future now
How today's most advanced cities are providing a future blueprint
-
How will our future cities look?
Cities have inspired movie-makers and artists but what will they look like?
-
How 'big data' is changing lives
A lifetime of data in a day? How 21st Century data deluges are changing the way we live.
Follow us
Tech on Twitter
You can follow our latest news and updates on Twitter