(VOVworld) - An exhibition highlighting the significance of the Hanoi-Dien Bien Phu in the air victory is opening in Hanoi. With nearly 100 documentary photos on display, the exhibition showcase Hanoi’s staunch spirit and bravery against devastating US air strikes. The exhibition describes the B52 air strikes and counter attacks by the Vietnamese ground defenses during 12 days and nights in December 1972. Documentary films of the victory and images of Hanoi’s current socio-economic development are also part of the exhibition.