今天是香港回归祖国25周年纪念日，1997年7月1日，中国政府恢复对香港行使主权，香港特别行政区成立。回归25年来，香港充分发挥“一国两制”制度优势，经济社会繁荣稳定，“一国两制”在香港的实践取得巨大成功。同时，随着港珠澳大桥全线贯通，珠海、香港和澳门彼此的距离更加近了，正因为它的存在，大湾区的提法也逐渐深入人心。
This is the longest ocean crossing in the world.
Consisting of three cable-stayed bridges, three man-made islands and one of the world's longest undersea tunnels, the entire project has taken eight years to construct at a cost of over USD $15 billion.
The 55-kilometre crossing connects Hong Kong with Macau and Zhuhai, drastically reducing journey times between the three cities and standing as a testament to the engineering might of the Chinese.
This is the Hong Kong-Zhuhai-Macau Bridge.
China's Pearl River Delta is one of the most densely populated areas on earth with some 68 million people living in the cities that surround the mouth of the river.
The rapid development of Hong Kong in the 1980s and 1990s led to numerous new road connections across the border into mainland China.
These road connections continued to be improved on the eastern side of the delta, however,
connections to the west were lacking and the most direct route involved a 160-kilometre, 4.5-hour car journey.
Following the return of the British and Portuguese colonies of Hong Kong and Macau to China in 1997 and 1999 respectively, Chinese and Hong Kong authorities explored the feasibility of linking the two sides of the river delta to drive economic growth and improve unity.
With clear economic advantages, the chance to increase employment opportunities, reduce congestion at border checkpoints and cut carbon emissions - the project was approved.
