FILE - China President Xi Jinping, left, shares a light moment with Hong Kong Chief Executive-elect Carrie Lam during a visit to Hong Kong's West Kowloon district Thursday, June 29, 2017. Lam announced Monday, April 4, 2022, that she will step down in June after 42 years in government service, ending with a tumultuous 5-year term as the city's chief executive. (AP Photo/Vincent Yu, File)