Two missile destroyers and three helicopters under the People's Liberation Army (PLA) Hong Kong Garrison conduct routine air and sea patrols in Hong Kong, on June 6, 2017. (Photo/81.cn)
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Two missile destroyers and three helicopters under the People's Liberation Army (PLA) Hong Kong Garrison conduct routine air and sea patrols in Hong Kong, on June 6, 2017. (Photo/81.cn)
