2018 IFA consumer electronics fair held in Berlin, Germany

Photo taken on Aug. 31 shows a vacuum cleaning robot "Roxxter" displayed at the booth of Bosch during the 2018 IFA consumer electronics fair in Berlin, capital of Germany. The IFA 2018, which attracts 1,814 exhibitors from all over the world, kicked off on Friday and will last until Sept. 5. (Xinhua/Shan Yuqi)