The Jiaozhou Bay Bridge in Qingdao, China opened Thursday and is the world's longest cross-sea bridge at 42 km.
The Jiaozhou Bay bridge is 42 kilometres long and links China's eastern port city of Qingdao to an offshore island, Huangdao.
It has taken four years to build the bridge, which is supported by more than 5,000 pillars.
According to the Guinness World Records book, the previous record-holder for a bridge over water is the Lake Pontchartrain Causeway in Louisiana. The Chinese bridge is more than four kilometres longer
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