Humanoid robots developed by Hitachi Ltd. that speak Japanese, English and Chinese started guiding on Tuesday tourists visiting a high-rise commercial complex in Yokohama amid the growing number of foreign visitors to Japan.The foot-wheel 90-centimeter robot called EMIEW3 helps visitors buy tickets or explains the views from the observation desk at the 70-story, 296-meter Yokohama Landmark Tower.An EMIEW3 robot welcomes customers at the reception area on the second floor of the building, and three other robots are placed at the observation deck."By using robots, we're hoping to help solve s…READ FULL ARTICLE