LANZHOU, July 9, 2016 (Xinhua) -- Visitors look at 3D printed articles at a maker festival in Lanzhou, capital of northwest China's Gansu Province, July 9, 2016. A festival for makers, who are hands-on technology enthusiasts using 3D printers, robots, and other advanced tools to turn creative ideas into pervasive products, in western China kicked off here Saturday. (Xinhua/Fan Peishen)
