Maker Diao Yimin (2nd R) of the Beijing Deep Blue Children Robot Center helps a primary school student to make robots in Jimo City, east China's Shandong Province, July 13, 2017. During this summer vacation, the Deep Blue Children Robot Center from Beijing brought "Robot Class" to primary school students in Jimo City, which helped them learn more about science and technology. (Xinhua/Liao Xiaopeng)
