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City of the future

Audio 04:59
Hopefully, real food hasn't been replaced by pills....yet
Hopefully, real food hasn't been replaced by pills....yet Getty Images/Djordje Zivaljevic

In the past, we imagined that in the 21st century cars would fly and food would be replaced by pills. For the moment, none of that has happened....yet. So what can we expect in the future? This week our Webwatchers look into their crystal ball.

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