Beijing’s top official on Hong Kong and Macau affairs has visited the Hengqin cooperation zone in Zhuhai as part of a drive to help the two special administrative regions align with the nation’s 15th five-year plan. The four-day visit by Xia Baolong, director of the Hong Kong and Macau Affairs Office (HKMAO), was his third trip to the Greater Bay Area this year. During his trip from Monday to Thursday, Xia visited a university town, research institutes, and innovation and technology companies...