Humanoid robots hip-hop danced, performed martial arts and played keyboard, guitar and drums at the opening ceremony of the first World Humanoid Robot Games in Beijing on Thursday evening. The competition begins Friday with more than 500 humanoid robots in 280 teams from 16 countries,

China has staged a series of high-profile robotics events in recent months, including what it called the world's first humanoid robot marathon in Beijing, a robot conference and the opening of retail stores dedicated to humanoid robots.