(VOVworld)- The Military Library opened a book exhibition themed “Hanoi-Dien Bien Phu in the air- a 20th century heroic anthem” in Hanoi on Wednesday. The exhibition displays more than 800 Vietnamese and foreign books and publications, photos and database depicting the Hanoi- Dien Bien Phu in the air campaign. The exhibition highlights the significance of the victory, hardships that Vietnamese people experienced to gain this feat of arms and the glorious history of Vietnam and Vietnam People’s Army.