China’s mega-bridges are breaking records, with many topping the list of highest or longest bridges in the world.
The main part of the world’s longest cross-sea bridge, linking China’s southern economic hub of Guangdong Province to Hong Kong and Macao, is expected to be completed later this month.
The multi-billion-dollar project is due to open in December 2017.
The bridge will become an important channel linking Hong Kong, Macao, Zhuhai and the western part of the Pearl River Delta, one of the most economically-developed areas in the Chinese mainland.
The move is widely expected to bring the areas closer together, economically.
Once in operation, the bridge will shorten the current 4h drive from Hong Kong to Zhuhai in Guangdong to only half an hour.
The subsea tunnel has been one of the most complex parts of the construction.
The underwater structure consists of 33 massive immersed tube sections.
During the project’s seven-year construction, engineers and workers have had to deal with a series of complex problems include super tornadoes, difficult sea conditions, and deep-sea channels.
Soaring 565 meters above a river, the Beipanjiang Bridge in Guizhou opened to traffic last December, making it the world’s highest bridge.
With a height equivalent to a 200-storey building, the structure spanning the Beipanjiang Valley, is part of a highway linking Hangzhou city in East China’s Zhejiang province and Ruili city in Guizhou’s neighboring Yunnan province.
The bridge cuts travel time from Liupanshui in Guizhou to Xuanwei in Yunnan from around five hours to fewer than two.
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