Time-lapse: Construction of world's largest span double arch bridge

<p>Construction continues on the Chongqing-Changsha 2nd Line Expressway Shuangbao Bridge in Wulong, Chongqing.</p><p>The main arches were completed on Friday morning.</p><p>Once completed, the bridge will further improve passenger transportation and logistics network in southeast Chongqing and provide supporting infrastructure for the development of green industries such as local ecological agriculture and tourism. <br/></p><p>Come watch this time-lapse video to see the progress for yourself!</p><p><span style="color: rgb(127, 127, 127);">(Produced by Gao Yuan and Dong Feng)</span><br/> </p>