The wash-up on Cyclone Alfred with a surfing sand scientist

South east Queensland's beaches look a bit different after Cyclone Alfred. On the Gold Coast, erosion has left small cliffs on the beach. Where has all the sand gone? And will it come back? To find out, we speak to Dr Javier Leon, sand scientist and surfer at the University of Southern Queensland.Image: Cyclone Alfred approaches Queeland. NASA Johnson.