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A soldier of the Chinese People's Liberation Army (PLA) Garrison in the Hong Kong Special Administrative Region (HKSAR) donates blood in Hong Kong, south China, Aug. 9, 2019. (Xinhua/Yi Ding)
A soldier of the Chinese People's Liberation Army (PLA) Garrison in the Hong Kong Special Administrative Region (HKSAR) donates blood in Hong Kong, south China, Aug. 9, 2019. (Xinhua/Yi Ding)