By ITP
Beijing International High-Tech Expo
The government-sponsored 18th China Beijing International High-Tech Expo (CHITEC) in the Chinese capital has been running from May 13.


This picture taken on May 13, 2015 shows a man posing next to an unmanned high-altitude helicopter called the PowerCopter, on display at the 18th China Beijing International High-Tech Expo (CHITEC) in the Chinese capital. The government sponsored hi-tech expo is taking place from May 13 to 17. (AFP/Getty Images)

This picture taken on May 13, 2015 shows a visitor (centre R) controlling a robot with his mind at a display at the 18th China Beijing International High-Tech Expo (CHITEC) in the Chinese capital. The government sponsored hi-tech expo is taking place from May 13 to 17. (AFP/Getty Images)

This picture taken on May 13, 2015 shows people looking at a display at the 18th China Beijing International High-Tech Expo (CHITEC) in the Chinese capital. The government sponsored hi-tech expo is taking place from May 13 to 17. (AFP/Getty Images)

This picture taken on May 13, 2015 shows an exhibitor showing a smart city data mining cloud platform, at the 18th China Beijing International High-Tech Expo (CHITEC) in the Chinese capital. The government sponsored hi-tech expo is taking place from May 13 to 17. (AFP/Getty Images)

This picture taken on May 13, 2015 shows a man working on an overhead truss as vehicles are displayed at the 18th China Beijing International High-Tech Expo (CHITEC) in the Chinese capital. The government sponsored hi-tech expo is taking place from May 13 to 17. (AFP/Getty Images)