The world???s highest Beipanjiang Bridge soars 565 metres (1,854 feet) above a river and connects the two mountainous provinces of Yunnan and Guizhou, the Guizhou has opened to traffic in China. The bridge cut travel times between Xuanwei in Yunnan to Shuicheng in Guizhou from more than four hours to around one. The 1,341-metre span cost over 1 billion yuan ($144 million) to build, It overtook the Si Du River Bridge in the central province of Hubei to become the world???s highest bridge.