When you think of a civilisation collapsing what comes to mind? Buildings on fire, people screaming and running in fright, chaos against a dark and foreboding sky.
Or is it more often slow and protracted rather than sudden and catastrophic?
Luke Kemp was interviewed by Australian radio about his historical autopsy of how civilisations collapse. His research looks at the signs and similarities of past collapses in the hope that we may avert or delay our own.