Carrie Lam, Chief Executive of the Hong Kong Special Administrative Region, speaks at a sub-forum "Invigorate Development through Vibrant City Clusters: The Guangdong-Hong Kong-Macao Greater Bay Area as a Model" during Boao Forum for Asia annual conference in Boao, south China's Hainan Province, on April 20, 2021. (Xinhua/Zhang Liyun)
