The fourth festival will draw the participation of 12 nations in Southeast Asia, North Africa and the Middle East.
Audiences will learn technologies for the sustainable future through short firms, experiments and games.
Apart from screenings in Hanoi, the films and TV shows will be airedin other localities, including Vinh Phuc, Phu Tho, Thai Binh, Da Nang,Hue, Quang Nam, Dak Lak, Ho Chi Minh City, Bac Lieu and Da Lat.-VNA