Helicopters perform during an air show to mark the 70th anniversary of the Sri Lanka Air Force in Colombo, Sri Lanka, on March 3, 2021.(Photo: Xinhua)
Aircraft perform during an air show to mark the 70th anniversary of the Sri Lanka Air Force in Colombo, Sri Lanka, on March 3, 2021.(Photo: Xinhua)
A helicopter performs during an air show to mark the 70th anniversary of the Sri Lanka Air Force in Colombo, Sri Lanka, on March 3, 2021.(Photo: Xinhua)
Aircraft perform during an air show to mark the 70th anniversary of the Sri Lanka Air Force in Colombo, Sri Lanka, on March 3, 2021.(Photo: Xinhua)