Augmented Reality (AR)is an interesting and underused concept in communicating the cityscape. Embedded below is an example of using AR in a exhibition environment illustrating the Master Plan for the Almada Waterfront by Richard Rogers:
Any 3D architectural model can be used in a AR context with a simple location marker, a webcam and freely available software. The unique concept of the movie above is integrating the marker onto a glove - it seems to work well.
See our previous Tutorial on Quick and Easy AR for full details on creating your own AR visualisation.