People's Liberation Army (PLA) Barrack Open Day [Getty Images]

Members of the People's Liberation Army (PLA) march with a flag during a drill demonstration at an open day at the Ngong Suen Chau Barracks in Hong Kong, China, on Saturday, July 8, 2017. China's bid to display some soft power in Hong Kong -- with a visit by the country's first aircraft carrier -- has also showcased its heavy-handed approach to security. Photographer: Billy H.C. Kwok/Bloomberg via Getty Images

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