Liu Liu, a guide robot that provides information about the media center in Chinese, English and Russian and helps the reporters navigate the summit area. [Photo/VCG]

A volunteer demonstrates opening an intelligent locker by facial recognition at the media center for 18th SCO Summit in Qingdao city, East China's Shandong province, June 6, 2018. [Photo/IC]

A volunteer demonstrates opening an intelligent locker by facial recognition at the media center for 18th SCO Summit in Qingdao city, East China's Shandong province, June 6, 2018. [Photo/IC]