Capital offers electric cars(2)

High-speed trains represent one of China's achievements in climbing the global tech ladder in recent years. Photo by Zhang Wei / China Daily

An intelligent robot that can interact with people attracts visitors to the expo. Photo by Zhang Wei / China Daily

Robots designed by the Chinese Academy of Sciences grab the spotlight at the 16th China Beijing International High-Tech Expo, which opened in Beijing on Wednesday. Photo by Zhang Wei / China Daily