Helicopters perform in the sky of Dien Bien

The flags hanging below the plane are 5.4 m long and 3.6 m wide. The flags are made of polyester - a fabric that is tough, durable and breathable, ensuring good performance during flight.

The highlight of the parade was the participation of the Artillery Corps including 18 105mm howitzers and 11 helicopters.

Source: https://baohaiduong.vn/truc-thang-bay-bieu-dien-tren-bau-troi-dien-bien-380758.html