With Zhuhai's Sanzao International Airport and the Macao International Airport now operational, Hong Kong, Macao, Shenzhen, Zhuhai and Guangzhou are linked into a "Greater Hong Kong conurbation" or "Hong Kong-Guangzhou twin urban area," and it is only a matter of time before the six million people of Hong Kong are absorbed into the 67 million population of Guangdong Province.
珠海三灶國際機場及澳門國際機場相繼落成後，港、澳、深、珠及廣州將連接成一個「大香港都會區」、或稱「香港／廣州雙子城區」；六百萬人口的香港被六千多萬人口的廣東省吸附進去，是遲早的事。