Video PlayerClose
A visitor tries MR (Mixed reality) devices at the booth of Haier at Hanover Fair 2019 in Hanover, Germany, April 1, 2019. (Xinhua/Shan Yuqi)
A visitor tries MR (Mixed reality) devices at the booth of Haier at Hanover Fair 2019 in Hanover, Germany, April 1, 2019. (Xinhua/Shan Yuqi)