More than 150 robots will meet and greet visitors at the world expo next year. The friendly machines include Opti, one of the official mascots of Expo 2020. Courtesy: Expo 2020 Dubai
More than 150 robots will meet and greet visitors at the world expo next year. The friendly machines include Opti, one of the official mascots of Expo 2020. Courtesy: Expo 2020 Dubai