A pale-grey, nearly one-metre-tall, four-legged robot drew crowds at Tokyo's International Robot Exhibition, lowering itself down some steps before lifting its right foreleg as if to greet onlookers.

Quadruped dubbed D5 from Pudu - founded by former HKUST engineering student Felix Zhang - draws crowds at Tokyo expo A pale-grey, nearly one-metre-tall, four-legged robot drew crowds at Tokyo's ...