Former Chief Executive of Hong Kong Leung Chun-ying attends Macau gambling tycoon Stanley Ho's funeral reception, in Hong Kong, China July 10, 2020. REUTERS/Tyrone Siu

Director of China's Liaison Office in Hong Kong Wang Zhimin (4th L), Former Hong Kong Chief Executive Leung Chun-ying (5th L), Guangdong Governor Ma Xingrui (6th L), Hong Kong Chief Executive Carrie Lam (6th R), Former Hong Kong Chief Executive Tung Chee-hwa (5th R) and director of the Hong Kong and Macau Affairs Office Zhang Xiaoming (4th R), attend the opening ceremony of the Hong Kong Section of the Guangzhou-Shenzhen-Hong Kong Express Rail Link, in Hong Kong, China September 22, 2018. REUTERS/Tyrone Siu

(L-R) Director of China's Liaison Office in Hong Kong Wang Zhimin, Former Hong Kong Chief Executive Leung Chun-ying, Guangdong governor Ma Xingrui, Hong Kong Chief Executive Carrie Lam, Former Chief Executive Tung Chee-hwa and director of the Hong Kong and Macau Affairs Office Zhang Xiaoming attend the opening ceremony of the Hong Kong Section of the Guangzhou-Shenzhen-Hong Kong Express Rail Link, in Hong Kong, China September 22, 2018. REUTERS/Tyrone Siu

Hong Kong Chief Executive Leung Chun-ying, Chief Executive-elect Carrie Lam and other officials attend a flag raising ceremony on the 20th anniversary of the city's handover from British to Chinese rule, in Hong Kong, China July 1, 2017. REUTERS/Damir Sagolj

Hong Kong Chief Executive Leung Chun-ying, Chief Executive-elect Carrie Lam and other officials attend a flag raising ceremony marking the 20th anniversary of the city's handover from British to Chinese rule, in Hong Kong, China July 1, 2017. REUTERS/Damir Sagolj

Hong Kong Chief Executive Leung Chun-ying (3-L), Chinese President Xi Jinping (C), Chief Executive-elect Carrie Lam (3-R) sing during a variety show, as part of the celebration for the 20th anniversary of the city's handover from British to Chinese rule, in Hong Kong, China June 30, 2017. REUTERS/Tyrone Siu

Hong Kong Chief Executive Leung Chun-ying (4-L), Chinese President Xi Jinping (C), Chief Executive-elect Carrie Lam (4-R) sing during a variety show, as part of the celebration for the 20th anniversary of the city's handover from British to Chinese rule, in Hong Kong, China June 30, 2017. REUTERS/Tyrone Siu

Hong Kong Chief Executive Leung Chun-ying (L), Chinese President Xi Jinping (C), Chief Executive-elect Carrie Lam (R) sing during a variety show, as part of the celebration for the 20th anniversary of the city's handover from British to Chinese rule, in Hong Kong, China June 30, 2017. REUTERS/Tyrone Siu

Hong Kong Chief Executive Leung Chun-ying (L), Chinese President Xi Jinping (2nd-L) and his wife Peng Liyuan (R) attend a variety show, as part of the celebration for the 20th anniversary of the city's handover from British to Chinese rule, in Hong Kong, China June 30, 2017. REUTERS/Tyrone Siu

China's President Xi Jinping (R) shakes hands with Hong Kong's outgoing chief executive Leung Chun-ying during a banquet in Hong Kong, China June 30, 2017. REUTERS/Dale de la Rey/Pool

China's President Xi Jinping and Hong Kong's outgoing Chief Executive Leung Chun-ying look at a demonstration by members of the Junior Police scheme during a visit at the scheme's Permanent Activity Center and Integrated Youth Camp in Hong Kong, China June 30, 2017. REUTERS/Justin Chin/Pool

China's President Xi Jinping waves as he arrives with Hong Kong's outgoing Chief Executive Leung Chun-ying during a visit at the scheme's Permanent Activity Center and Integrated Youth Camp in Hong Kong, China June 30, 2017. REUTERS/Justin Chin/Pool

China's President Xi Jinping gestures as Leung Chun-ying, Hong Kong's outgoing Chief Executive, looks on during a visit at the scheme's Permanent Activity Center and Integrated Youth Camp in Hong Kong, China June 30, 2017. REUTERS/Justin Chin/Pool

China's President Xi Jinping gestures as Leung Chun-ying, Hong Kong's outgoing Chief Executive, looks on during a visit at the scheme's Permanent Activity Center and Integrated Youth Camp in Hong Kong, China June 30, 2017. REUTERS/Justin Chin/Pool

China's President Xi Jinping and Hong Kong's outgoing Chief Executive Leung Chun-ying applaud during a meeting with members of the Hong Kong Police Force's Junior Police Scheme during a visit at the scheme's Permanent Activity Center and Integrated Youth Camp in Hong Kong, China, June 30, 2017. REUTERS/Justin Chin/Pool

China's President Xi Jinping and Hong Kong's outgoing Chief Executive Leung Chun-ying give thumbs up as they pose for photographs with members of the Hong Kong Police Force's Junior Police Scheme during a visit at the scheme's Permanent Activity Center and Integrated Youth Camp in Hong Kong, China, June 30, 2017. REUTERS/Justin Chin/Pool

China's President Xi Jinping waves to members of the Hong Kong Police Force's Junior Police Scheme as Leung Chun-ying, Hong Kong's outgoing Chief Executive, looks on during a visit at the scheme's Permanent Activity Center and Integrated Youth Camp in Hong Kong, China June 30, 2017. REUTERS/Justin Chin/Pool

China's President Xi Jinping and Hong Kong's outgoing Chief Executive Leung Chun-ying give thumbs up as they pose for photographs with members of the Hong Kong Police Force's Junior Police Scheme during a visit at the scheme's Permanent Activity Center and Integrated Youth Camp in Hong Kong, China, June 30, 2017. REUTERS/Justin Chin/Pool

Outgoing Hong Kong Chief Executive Leung Chun-ying and Chinese President Xi Jinping meet Steve Hui Chun-tak, Assistant Commissioner of Police, Information Systems, Hong Kong Police Force at the Hong Kong Police Force's Junior Police Call Permanent Activity Centre and Integrated Youth Training Camp, Pat Heung, New Territories, Hong Kong, China, 30 June 2017. REUTERS/Alex Hofford/Pool

Outgoing Hong Kong Chief Executive Leung Chun-ying and Chinese President Xi Jinping meet Chinese mainland-born Hong Kong Police officer Hip Kin-man (R) at the Hong Kong Police Force's Junior Police Call Permanent Activity Centre and Integrated Youth Training Camp, Pat Heung, New Territories, Hong Kong, China, 30 June 2017. REUTERS/Alex Hofford/Pool

Members of the Hong Kong Police Force Junior Police Scheme, outgoing Hong Kong Chief Executive Leung Chun-ying and Chinese President Xi Jinping look at an architectural model of the Hong Kong Police Force's Junior Police Call Permanent Activity Centre and Integrated Youth Training Camp, Pat Heung, New Territories, Hong Kong, China, 30 June 2017. REUTERS/Alex Hofford/Pool

Chinese President Xi Jinping waves as he arrives with Leung Chun-ying, Hong Kong's outgoing chief executive during a visit at the Hong Kong Police Force's Junior Police Scheme Permanent Activity Center and Integrated Youth Camp in Hong Kong, China June 30, 2017. REUTERS/Justin Chin/Pool TPX IMAGES OF THE DAY

Members of the Hong Kong Police Force Junior Police Scheme, outgoing Hong Kong Chief Executive Leung Chun-ying nd Chinese President Xi Jinping chat at the Hong Kong Police Force's Junior Police Call Permanent Activity Centre and Integrated Youth Training Camp, Pat Heung, New Territories, Hong Kong, China, 30 June 2017. REUTERS/Alex Hofford/Pool

Members of the Hong Kong Police Force Junior Police Scheme, outgoing Hong Kong Chief Executive Leung Chun-ying and Chinese President Xi Jinping chat at the Hong Kong Police Force's Junior Police Call Permanent Activity Centre and Integrated Youth Training Camp, Pat Heung, New Territories, Hong Kong, China, 30 June 2017. REUTERS/Alex Hofford/Pool

A member of the Hong Kong Police Force Junior Police Scheme bows to outgoing Hong Kong Chief Executive Leung Chun-ying and Chinese President Xi Jinping at the Hong Kong Police Force's Junior Police Call Permanent Activity Centre and Integrated Youth Training Camp, Pat Heung, New Territories, Hong Kong, China, 30 June 2017. REUTERS/Alex Hofford/Pool

Outgoing Hong Kong Chief Executive Leung Chun-ying (C) listens as Chinese President Xi Jinping (R) gestures near an exit sign at the Hong Kong Police Force's Junior Police Call Permanent Activity Centre and Integrated Youth Training Camp, Pat Heung, New Territories, Hong Kong, China, 30 June 2017. REUTERS/Alex Hofford/Pool

Outgoing Hong Kong Chief Executive Leung Chun-ying (C) and Chinese President Xi Jinping (R) listen to a presentation by an exit sign at the Hong Kong Police Force's Junior Police Call Permanent Activity Centre and Integrated Youth Training Camp, Pat Heung, New Territories, Hong Kong, China, 30 June 2017. REUTERS/Alex Hofford/Pool

Chinese president Xi Jinping, Hong Kong Chief Executive Leung Chun-ying and Chief Executive-elect Carrie Lam clap after watching two Chinese opera performers during a visit to Hong KongÕs West Kowloon district, in Hong Kong June 29, 2017. REUTERS/Vincent Yu/Pool

China's President Xi Jinping shakes hands with outgoing Hong Kong Chief Executive Leung Chun-ying during a meeting in a hotel in Hong Kong, China, June 29, 2017. REUTERS/Dale De La Rey/Pool TPX IMAGES OF THE DAY

China's President Xi Jinping speaks with outgoing Hong Kong Chief Executive Leung Chun-ying (not pictured) during a meeting in a hotel in Hong Kong, China, June 29, 2017. REUTERS/Dale de la Rey/Pool

China's President Xi Jinping speaks with outgoing Hong Kong Chief Executive Leung Chun-ying during a meeting in a hotel in Hong Kong, China, June 29, 2017. REUTERS/Dale de la Rey/Pool

China's President Xi Jinping speaks with outgoing Hong Kong Chief Executive Leung Chun-ying during a meeting in a hotel in Hong Kong, China, June 29, 2017. REUTERS/Dale de la Rey/Pool

China's President Xi Jinping shakes hands with outgoing Hong Kong Chief Executive Leung Chun-ying during a meeting in a hotel in Hong Kong, China, June 29, 2017. REUTERS/Dale De La Rey/Pool

China's President Xi Jinping waits to meet with outgoing Hong Kong Chief Executive Leung Chun-ying at a hotel in Hong Kong, China, June 29, 2017. REUTERS/Dale De La Rey/Pool

China's President Xi Jinping waits to meet with outgoing Hong Kong Chief Executive Leung Chun-ying at a hotel in Hong Kong, China, June 29, 2017. REUTERS/Dale De La Rey/Pool

Chinese President Xi Jinping is followed by outgoing Hong Kong Chief Executive Leung Chun-ying and Chief Executive-elect Carrie Lam (back L) upon Xi's arrival in Hong Kong, China June 29, 2017. REUTERS/Bobby Yip

Chinese President Xi Jinping (C) speaks after his arrival at the airport in Hong Kong, China, as Hong Kong Chief Executive-elect Carrie Lam (first row, L) and Hong Kong Chief Executive Leung Chun-ying (first row, 2nd L) listen ahead of celebrations marking the city's handover from British to Chinese rule June 29, 2017. REUTERS/Bobby Yip TPX IMAGES OF THE DAY

Chinese President Xi Jinping speaks after his arrival at the airport in Hong Kong, China, as Hong Kong Chief Executive-elect Carrie Lam and Hong Kong Chief Executive Leung Chun-ying listen ahead of celebrations marking the city's handover from British to Chinese rule, June 29, 2017. REUTERS/Bobby Yip

Hong Kong Chief Executive Leung Chun-ying (L) takes oath in front of Chinese President Hu Jintao during the inauguration of the new government in Hong Kong, July 1, 2012. When he took office in 2012, Chief Executive Leung Chun-ying pledged to make housing more affordable and to bring greater democracy to Hong Kong, issues that had stymied his predecessors. As he prepares to leave office, home prices continue to rise despite repeated cooling measures and political reforms have stalled. REUTERS/Bobby Yip/File photo SEARCH "HONGKONG TIMELINE" FOR THIS STORY. SEARCH "WIDER IMAGE" FOR ALL STORIES.

A boy depicts Hong Kong Chief Executive Leung Chun-ying during the Bun Festival parade at Cheung Chau island in Hong Kong, China May 3, 2017. REUTERS/Bobby Yip

Indonesian President Joko Widodo (2nd L) and Hong Kong Chief Executive Leung Chun-ying (2nd R) look on as Minister for Foreign Affairs of Indonesia Retno L.P. Marsudi (L) and Hong Kong Secretary for Labour Stephen Sui (R) sign a memorandum of understanding at the Government House in Hong Kong, China May 1, 2017. REUTERS/Jerome Favre/POOL

Indonesian President Joko Widodo (L) meets Hong Kong Chief Executive Leung Chun-ying at the Government House in Hong Kong, China May 1, 2017. REUTERS/Jerome Favre/Pool

Indonesian President Joko Widodo is welcomed by Hong Kong Chief Executive Leung Chun-ying at the Government House in Hong Kong, China May 1, 2017. REUTERS/Jerome Favre/POOL

Indonesian President Joko Widodo is welcomed by Hong Kong Chief Executive Leung Chun-ying at the Government House in Hong Kong, China May 1, 2017. REUTERS/Jerome Favre/POOL

Indonesian President Joko "Jokowi" Widodo (2nd L) and Hong Kong Chief Executive Leung Chun-ying (2nd R) pose with guests after attending a forum in Hong Kong, China May 1, 2017. REUTERS/Bobby Yip

Newly elected Chief Executive Carrie Lam arrives to meet current leader Leung Chun-ying in Hong Kong, China March 27, 2017. REUTERS/Bobby Yip

Newly elected Chief Executive Carrie Lam arrives to meet current leader Leung Chun-ying in Hong Kong, China March 27, 2017. REUTERS/Bobby Yip

Newly elected Chief Executive Carrie Lam (L) walks with current leader Leung Chun-ying after their meeting in Hong Kong, China March 27, 2017. REUTERS/Bobby Yip

Newly elected Chief Executive Carrie Lam (R) and current leader Leung Chun-ying speak after their meeting in Hong Kong, China March 27, 2017. REUTERS/Bobby Yip

Newly elected Chief Executive Carrie Lam (R) meets current leader Leung Chun-ying in Hong Kong, China March 27, 2017. REUTERS/Bobby Yip

China's President Xi Jinping shakes hands with Hong Kong Chief Executive Leung Chun-ying, newly elected Vice Chairman of the National Committee of Chinese People's Political Consultative Conference (CPPCC), during the closing session of the CPPCC at the Great Hall of the People in Beijing, China, March 13, 2017. REUTERS/Jason Lee

China's Premier Li Keqiang shakes hands with Hong Kong Chief Executive, vice-chairman of the National Committee of Chinese People's Political Consultative Conference (CPPCC), Leung Chun-ying, during the closing session of the CPPCC at the Great Hall of the People in Beijing, China, March 13, 2017. REUTERS/Jason Lee

China's President Xi Jinping shakes hands with Hong Kong Chief Executive, vice-chairman of the National Committee of Chinese People's Political Consultative Conference (CPPCC), Leung Chun-ying, during the closing session of the CPPCC at the Great Hall of the People in Beijing, China, March 13, 2017. REUTERS/Jason Lee TPX IMAGES OF THE DAY

Photographers take pictures of Hong Kong Chief Executive, vice-chairman of the National Committee of Chinese People's Political Consultative Conference (CPPCC), Leung Chun-ying, as he attends the closing session of the CPPCC at the Great Hall of the People in Beijing, China, March 13, 2017. REUTERS/Jason Lee

Hong Kong Chief Executive, vice-chairman of the National Committee of Chinese People's Political Consultative Conference (CPPCC), Leung Chun-ying, attends the closing session of the CPPCC at the Great Hall of the People in Beijing, China, March 13, 2017. REUTERS/Jason Lee

Hong Kong Chief Executive Leung Chun-ying presents his policy address at the Legislative Council in Hong Kong, China January 18, 2017. REUTERS/Bobby Yip

Hong Kong Chief Executive Leung Chun-ying presents his policy address in front of Legislative Council President Andrew Leung in Hong Kong, China January 18, 2017. REUTERS/Bobby Yip TPX IMAGES OF THE DAY

Hong Kong Chief Executive Leung Chun-ying presents his policy address at the Legislative Council in Hong Kong, China January 18, 2017. REUTERS/Bobby Yip

Hong Kong Chief Executive Leung Chun-ying sits behind security guards before his policy address at the Legislative Council in Hong Kong, China January 18, 2017. REUTERS/Bobby Yip

Protesters hold portraits of Hong Kong Chief Executive Leung Chun-ying (R) and resigned Chief Secretary Carrie Lam ahead of Leung's policy address, outside Legislative Council in Hong Kong, China January 18, 2017. REUTERS/Bobby Yip