The world's largest 3D-printed concrete bridge has been completed in Shanghai, Jan. 12, 2019. The length of the pedestrian bridge is 26.3 meters, with the width 3.6 meters. The bridge's design has been influenced by China's ancient Zhaozhou Bridge. It adopts a single arch structure to bear weight. (Photo/China News Service)
A ground view of the 3D-printed structure in Shanghai, China on Jan. 12, 2019. Before work began printing the bridge, a 1:4 scale bridge was constructed, and was shown to be able to meet all structural requirements. (Photo/China News Service)
The world's largest 3D-printed concrete bridge has been completed in Shanghai, Jan. 12, 2019. The length of the pedestrian bridge is 26.3 meters, with the width 3.6 meters. The bridge's design has been influenced by China's ancient Zhaozhou Bridge. It adopts a single arch structure to bear weight. (Photo/China News Service)
