Soldiers of People's Liberation Army (PLA) take part in a training in Shijiazhuang, Hebei province, June 29, 2016. (Photo by Reuters/Stringer)





Paramilitary policemen take part in a summer training in Shenzhen, Guangdong province, China, June 27, 2016. (Photo by Reuters/China Daily)





Paramilitary policemen take part in a summer training in Shenzhen, Guangdong province, China, June 27, 2016. (Photo by Reuters/China Daily)





A People's Liberation Army soldier slides down and fires during an anti-terrorist demonstration at a naval base, celebrating the 19th anniversary of Hong Kong's handover to Chinese sovereignty from British rule, in Hong Kong July 1, 2016. (Photo by Bobby Yip/Reuters)





A People's Liberation Army soldier storms a structure during an anti-terrorist demonstration at a naval base, celebrating the 19th anniversary of Hong Kong's handover to Chinese sovereignty from British rule, in Hong Kong July 1, 2016. (Photo by Bobby Yip/Reuters)





People's Liberation Army soldiers take part in an anti-terrorist demonstration at a naval base, celebrating the 19th anniversary of Hong Kong's handover to Chinese sovereignty from British rule, in Hong Kong July 1, 2016. (Photo by Bobby Yip/Reuters)





People's Liberation Army soldiers take part in a military demonstration at a naval base, celebrating the 19th anniversary of Hong Kong's handover to Chinese sovereignty from British rule, in Hong Kong July 1, 2016. (Photo by Bobby Yip/Reuters)





People's Liberation Army soldiers take part in an anti-terrorist demonstration at a naval base, celebrating the 19th anniversary of Hong Kong's handover to Chinese sovereignty from British rule, in Hong Kong July 1, 2016. (Photo by Bobby Yip/Reuters)





People's Liberation Army soldiers perform driving stunts at a naval base, celebrating the 19th anniversary of Hong Kong's handover to Chinese sovereignty from British rule, in Hong Kong July 1, 2016. (Photo by Bobby Yip/Reuters)





Young spectators cover their ears as People's Liberation Army naval soldiers march at a naval base, celebrating the 19th anniversary of Hong Kong's handover to Chinese sovereignty from British rule, in Hong Kong July 1, 2016. (Photo by Bobby Yip/Reuters)





People's Liberation Army naval soldiers stand in front of a banner which reads “Hope Hong Kong has an even better tomorrow” at a naval base, celebrating the 19th anniversary of Hong Kong's handover to Chinese sovereignty from British rule, in Hong Kong July 1, 2016. (Photo by Bobby Yip/Reuters)





People's Liberation Army soldiers take part in a march at a naval base during an open day celebrating the 19th anniversary of Hong Kong's handover to Chinese sovereignty from British rule, in Hong Kong July 1, 2016. (Photo by Bobby Yip/Reuters)





People's Liberation Army naval soldiers sweep water away after rain at a naval base during an open day celebrating the 19th anniversary of Hong Kong's handover to Chinese sovereignty from British rule, in Hong Kong July 1, 2016. (Photo by Bobby Yip/Reuters)





A People's Liberation Army naval soldier stands in between visitors at a naval base during an open day celebrating the 19th anniversary of Hong Kong's handover to Chinese sovereignty from British rule, in Hong Kong July 1, 2016. (Photo by Bobby Yip/Reuters)





A People's Liberation Army naval soldier guides visitors on board a military vessel at a naval base during an open day celebrating the 19th anniversary of Hong Kong's handover to Chinese sovereignty from British rule, in Hong Kong July 1, 2016. (Photo by Bobby Yip/Reuters)





People's Liberation Army naval soldiers stand on a military vessel at a naval base with a Hong Kong skyline at background, during an open day celebrating the 19th anniversary of Hong Kong's handover to Chinese sovereignty from British rule, in Hong Kong July 1, 2016. (Photo by Bobby Yip/Reuters)





A People's Liberation Army naval soldier stands on a military vessel at a naval base with a Hong Kong skyline at background, during an open day celebrating the 19th anniversary of Hong Kong's handover to Chinese sovereignty from British rule, in Hong Kong July 1, 2016. (Photo by Bobby Yip/Reuters)





People's Liberation Army military vessels station at a naval base, with the financial Central district seen at background, during an open day celebrating the 19th anniversary of Hong Kong's handover to Chinese sovereignty from British rule, in Hong Kong July 1, 2016. (Photo by Bobby Yip/Reuters)





People's Liberation Army naval soldiers stand inside a military vessel at a naval base featuring a photo of Chinese President Xi Jinping, during an open day celebrating the 19th anniversary of Hong Kong's handover to Chinese sovereignty from British rule, in Hong Kong July 1, 2016. (Photo by Bobby Yip/Reuters)





Chinese People's Liberation Army (PLA) soldiers march as they take part in a flag raising ceremony during the open day of Stonecutter Island Navy Base in Hong Kong to mark the 19th anniversary of the Hong Kong handover to China, Friday, July 1, 2016. (Photo by Kin Cheung/AP Photo)