Visitors take images of Huawei's new foldable 5G ready smartphone Mate X at the Mobile World Congress (MWC) in Barcelona, Spain, Feb. 25, 2019. Chinese tech company Huawei on Sunday launched its Mate X, a foldable 5G ready smartphone, at an event attended by around 3,000 people held on the eve of MWC2019 which opened here on Monday. The Mate X has a 6.6-inch screen, which can be opened out into an 8-inch OLED screen to allow the user to read or view video. (Xinhua/Guo Qiuda)