Worlds longest 3D printed concrete bridge opened in which country?

1.	Worlds longest 3D printed concrete bridge opened in which country?
Answer» World's longest 3D printed concrete bridge was opened in China. It is located on the Wenzaobang River in Shanghai. The Bridge is designed by Professor Xy Weiguo from Tsinghua University in China. The bridge is of 26.3 metre-long and 3.6-metre-wide and is made out of 44 hollowed-out 3D printed concrete blocks.

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