Is hostile architecture ruining our cities?

We asked two architects, on either side of the debate, whether hostile architecture is helping to make urban areas safer or promoting unfair social divides.

All of the above are examples of hostile architecture -- a controversial type of urban design aimed at preventing people from using public spaces in undesirable ways.The use of design to block homeless people from finding a place to sleep or young people from skating in public, for example, has sparked outrage among many people. But others feel it's a necessary measure to secure public safety.CNN invited architect James Furzer, whose designs try to combat hostile architecture, to debate this ...