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File:HKMH TST East 香港歷史博物館 Hong Kong Museum of History hat Helmet Imperial Japanese Marines army Oct 2016 DSC.jpg - Wikimedia Commons
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Hong Kong protests: Gas masks, helmets in short supply as China tightens screws - The Washington Post
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Opinion | China has misread the Hong Kong protests from the start. It's time to get it right. - The Washington Post
Hard hats, face masks and goggles: the essential wear for Hong Kong extradition bill protesters that is back in fashion five years after Occupy movement | South China Morning Post
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Masked protesters hold own press con as Hong Kong NGOs condemn alleged police abuses - Hong Kong Free Press HKFP
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