VOV.VN - On April 19, at Terminal T3 of Tan Son Nhat International Airport in Ho Chi Minh City, Prime Minister Pham Minh Chinh presided over a ceremony to inaugurate and break ground on national key projects and major works in celebration of the 50th anniversary of the Liberation of the South and National Reunification (April 30, 1975 – April 30, 2025).