People visit the expo of the 4th Industrial Revolution Conference in Windhoek, Namibia, on June 7, 2022. The southwestern African nation on Tuesday commenced with the country's 4th Industrial Revolution (4IR) Conference which began with an expo in Windhoek. (Photo by Ndalimpinga Iita/Xinhua)
A visitor tries a virtual reality headset during the expo of the 4th Industrial Revolution Conference in Windhoek, Namibia, on June 7, 2022. The southwestern African nation on Tuesday commenced with the country's 4th Industrial Revolution (4IR) Conference which began with an expo in Windhoek. (Photo by Ndalimpinga Iita/Xinhua)
