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4. Agence France-Presse (2017) World’s First 3D-printed Bridge Opens to Cyclists in Netherlands -Crossing printed from 800 layers of Concrete Could take Weight of 40 trucks, Designers say. The Guardian, 18 October, https://www.theguardian.com/technology/2017/oct/18/world-first-3d-printed-bridge-cyclists-netherlands. Accessed 1 October 2019
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