TOPSHOT - This photo taken on July 10, 2019 shows a woman pasting messages related to protests against the proposed extradition bill onto a wall in an underpass at Tai Po Market in Hong Kong. - Plastered in colourful sticky-notes carrying messages of defiance towards Hong Kong's government, so-called "Lennon Walls" have sprung up across the city -- though fights have broken out as Beijing loyalists try to tear them down. (Photo by VIVEK PRAKASH / AFP)