How do you make better homes in informal settlements? Should Caracas embrace the ingenuity of squatter communities? How do you build a sports centre on a shack-covered mountain? And what happens if you don’t do any of the above? Andrew Tuck sits down with Venezuelan architect Alfredo Brillembourg to talk about his work, fears and vision for a new – and radical – urbanism. See omnystudio.com/listener for privacy information.