Tomorrow's cities: Rio de Janeiro's bid to become a smart city

This article is from the source 'bbc' and was first published or seen on September 09, 2013 01:30 (UTC). It last changed over 40 days ago and won't be checked again for changes.

You can find the current article at its original source at http://www.bbc.co.uk/news/technology-22546490

The article has changed 1 times. There is an RSS feed of changes available.