I found this bizarre film on the BFI site. It says it's in Croydon, but I think it's New Addington. Anyone recognise it?
Watch Inter-action in Croydon online
They're coming for your children! Three moon men, a cosmonaut and a mysterious professor march through the sparse streets of a new Croydon housing estate. But don't panic, this is a friendly invasion. The performance was designed to parachute a taste of participatory theatre into areas of new-build housing that were often sorely lacking in their own neighbourhood cultural facilities.