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Military helicopters perform during rehearsal of air show in Colombo, Sri Lanka
By Xinhua Published: Mar 01, 2021 09:50 AM
Military helicopters perform during the rehearsal of an air show in Colombo, Sri Lanka, on Feb. 28, 2021.(Photo: Xinhua)

Military helicopters perform during the rehearsal of an air show in Colombo, Sri Lanka, on Feb. 28, 2021.(Photo: Xinhua)


 
Military helicopters perform during the rehearsal of an air show in Colombo, Sri Lanka, on Feb. 28, 2021.(Photo: Xinhua)

Military helicopters perform during the rehearsal of an air show in Colombo, Sri Lanka, on Feb. 28, 2021.(Photo: Xinhua)


 
Military helicopters perform during the rehearsal of an air show in Colombo, Sri Lanka, on Feb. 28, 2021.(Photo: Xinhua)

Military helicopters perform during the rehearsal of an air show in Colombo, Sri Lanka, on Feb. 28, 2021.(Photo: Xinhua)