TOPSHOT - China's coat of arms in front of the Chinese liaison office is seen soiled with black paint by protesters after a march against a controversial extradition bill in Hong Kong on July 21, 2019. - Masked protesters threw eggs at China's office in Hong Kong on July 21 following another massive rally, focusing anger towards the embodiment of Beijing's rule with no end in sight to the turmoil engulfing the finance hub. (Photo by Vivek Prakash / AFP)