Wearing masks during demonstrations obstructs law enforcement

<p>This video tells how many countries around the world prohibit wearing a mask at public events by law and why they do so.</p><p>&quot;If you knew that you could be easily identified, do you think you would be as inclined to commit that act of violence or commit that crime?&quot; a US police chief asks in the video.</p><p>&quot;The purpose of an anti-mask law is to prevent crime and deter would-be offenders to think twice about the legal consequences they will face,&quot; founding president of the Small and Medium Law Firms Association of Hong Kong stresses.</p><p>Watch the video to learn the whole picture about anti-mask laws.</p><p><span style="color: rgb(127, 127, 127);">(Video source: China Daily; Compiled by Xu Zheqi)</span></p><p><br/></p>