Tropfest lives, and filmmaking under the eye of the Iranian government

Tropfest, the biggest short film festival in the world, has been resurrected six years after it was last staged. With a slew of sponsors and partners, the new Tropfest must contend with a world which has embraced short-form video as a sort of default mode of expression online. Founder John Polson shares his vision for the return of the festival in uncertain times.And Iranian documentary maker Shirin Barghnavard is part of ABC Radio National's Top 5 Arts residency, as a PhD candidate at Edith Cowan University. She shares her story of making films under government surveillance, and in diaspora. Our track of the week is Overdrive by Siobhan Cotchin.