In this April 10 photo, Amethyst Ma, left, from San Jose, California, talks with Troika, a self-driving robot made by LG Electronics, at the Incheon International Airport in Incheon, South Korea. Robots will start roaming South Korea’s largest airport this summer, helping travellers find their boarding gates and keeping its floors clean as the country prepares for its first Winter Olympics game. (PTI)
Robot made by LG Electronics, at the Incheon International Airport in Incheon
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