Hou Xiaoye checks a working 3D printer at the the Baidu Pioneer Park in Changchun, capital of northeast China's Jilin Province, July 30, 2015. Graduated from Jilin University, Gao Hua and Hou Xiaoye are both enthusiasts in science and technology. Getting bored with average work, they founded their geek studio which undertakes innovation of gadgets such as 3D printers, drones and wearable virtual reality headsets that they believe can change people's everyday life. (Xinhua/Zhang Nan)