China’s Huajiang Canyon Grand Bridge in Guizhou, which opened on 28 September, is officially the highest bridge in the world. This record-breaking construction project faced numerous engineering obstacles, from working at high altitude to navigating extremely difficult mountainous terrain.

But despite the challenges, the bridge was constructed surprisingly quickly and on a modest budget when compared to other global megaprojects. But how? Read on to discover how China built a modern marvel for comparatively little money. 

All dollar amounts in US dollars.