How many countries participated in China’s "Robot Olympics" Humanoid Robot Games?

The correct answer is based on the participation statistics reported for China's "Robot Olympics," specifically the Humanoid Robot Games. In this event, 16 countries sent teams to compete, showcasing advancements in robotics and artificial intelligence across various nations. This number reflects the growing international interest and investment in robotics technology, as many countries develop their own capabilities in humanoid robots.

The competition encourages collaboration and innovation in the field, highlighting how countries are not only competing but also sharing insights and technologies that can enhance global robotics development. This participation count also emphasizes the event's significance as a platform for nations to demonstrate their technological prowess in robotics on an international stage.