At the 2nd World Humanoid Robot Games in Beijing on Tuesday, humanoid robots took part in events including street dance, tug-of-war, high jump, the 4×100m relay, and the 100m semifinals. During the 100m large-size semifinals, China’s Tien Kung Ultra broke the record again with a time of 8.86 seconds, following its 9.39-second run at the opening ceremony.