Exhibition recalls 12-day-and-night memories of Dien Bien Phu in the air

VOV.VN - Hoa Lo Prison relic site in Hanoi welcomed the opening of an exhibition to the public titled “The silence” on December 9, with the event aiming to help guests gain a greater insight into the fierce 12-day-and-night struggle to defend the capital against United States’ airstrikes in late 1972.