PebHmong Discussion Forum
General Category => General Discussion => Topic started by: theking on January 16, 2019, 10:03:33 PM
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...considering it's made by a 3D printer:
"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"
(http://images.china.cn/site1007/2019-01/14/36c20610-dd50-48a8-8b0d-acaac28d30d7.jpg)
(https://images.adsttc.com/media/images/5c3f/4e1b/284d/d125/fd00/0102/newsletter/%E4%B8%BB%E5%9B%BE.jpg?1547652575)