Xi Jinping wraps up Hong Kong trip after swearing in Carrie Lam
President Xi spoke of the 'One Country-Two Systems' principle during his recent visit to Hong Kong. He said he hopes it continues its progress in the region. But what exactly is this law, and what does it mean for Hong Kong's development and future?
TIMELINE: Hong Kong from Britain to China
WATCH HISTORY: Hong Kong's 20 years
1997 flag ceremony in Hong Kong marks peaceful transition of power from Britain to China
President Jiang Zemin addresses the world as China celebrates reunification with Hong Kong
Yo-Yo Ma performs Tan Dun's "Heaven Earth Mankind" at 1997 Hong Kong reunification ceremony
GUESTS: Hong Kong's 20 years
Tara Joseph discusses Hong Kong's economy 20 years after the handover
Cheng Kai Ming on the 20th Anniversary of the Hong Kong Handover
Fred Teng discusses Chinese President Xi Jinping's trip to Hong Kong
Michael Zakkour on Hong Kong retail and service sectors
CGTN's Elaine Reyes spoke with Yang Xiyu, senior fellow of China Institute of International Studies, about Hong Kong's One country, Two systems and China's influence over the past two decades.