HONG KONG-CHINA-POLITICS-CRIME-SURVEILLANCE

This picture taken in Hong Kong on June 14, 2019, as part of a photo series to show how students prepared for protests and the threat of police tear gas and pepper spray, shows saline solution, used to clean injuries and the eyes. - Young Hong Kongers who marshalled the fight against police armed with tear gas and rubber bullets this week have revealed how years of peaceful protests failing to halt sliding freedoms pushed them to embrace more confrontational tactics. (Photo by Anthony WALLACE / AFP) / TO GO WITH: Hong Kong-politics-China-protesters, FOCUS by Elaine YU (Photo credit should read ANTHONY WALLACE/AFP via Getty Images)