Tomorrow's cities: Google's Toronto city built 'from the internet up
On Toronto's Eastern waterfront, a new digital city is being built by Sidewalk Labs - a firm owned by Google's parent Alphabet.
It hopes the project will become a model for 21st-Century urbanism.
But the deal has been controversial, representing one of biggest ever tie-ups between a city and a large corporation.
And that, coupled with the fact that the corporation in question is one of the largest tech firms in the world, is causing some unease.