2021.4.15 維護國家安全人人有責人人可為 View the embedded image gallery online at: https://hkgzswc.com.hk/%E5%95%86%E6%9C%83%E6%B4%BB%E5%8B%95/%E6%96%B0%E8%81%9E%E7%A8%BF/item/90-%E5%85%A8%E6%B0%91%E5%9C%8B%E5%AE%B6%E5%AE%89%E5%85%A8%E6%95%99%E8%82%B2%E6%97%A5#sigProId1e5a54400d