"The songs of wind's girls", a documentary film co-directed by Bijan Zamanpira and Nahid Ghobadi is to be displayed in Exground film festival. Sound design and editing of this film is done by Nasser Zamiri. The 23th Exground festival will take place at Nov.12-21 in Wiesbaden, Germany. Nasser Zamiri will accompany the directors in this festival.