(VOVworld) – A contest on Hanoi-Dien Bien Phu in the air victory has received nearly 500,000 entries.

The contest was launched by the Ho Chi Minh Youth Union to mark 40^th anniversary of the victory. Many entries are historical research work showing the pride of those who took part in the battle. 23 most outstanding entries are expected to be selected for prizes including prizes for the youngest, oldest and disabled participants.