Architects have traditionally used physical models of proposed buildings to demonstrate to planners and members of the public how a project will look when it is completed.

But some are now using a combination of simulations and augmented reality to find out how buildings will influence behaviour. They can also provide a feedback into the design process.

BBC Click's Neil Bowdler reports.

Watch more clips on the Click website. If you are in the UK you can watch the whole programme on BBC iPlayer.