Carrie Lam, chief executive of the Hong Kong Special Administrative Region (HKSAR), attends a press conference in Hong Kong, south China, March 8, 2021. Carrie Lam said on Monday that the "decision plus amendment" approach to improving the electoral system of the HKSAR is legal and constitutional, and the HKSAR government will cooperate with the central authorities to carry out the work in three aspects. Lam elaborated on the three aspects at a press briefing here. (Xinhua/Lui Siu Wai)