Qingdao Haiwan Bridge: World's Longest Sea Bridge in China

China has unveiled the world’s longest sea bridge - 'Qingdao Haiwan Bridge', which stretches a massive 26.4 miles – five miles further than the distance between Dover and Calais and longer than a marathon. Qingdao Haiwan Bridge is the world longest sea bridge, It took four years to build, costing £5.5billion. The bridge will be a six-lane expressway able to cope with earthquakes up to magnitude