left corner left corner
China Daily Website  

Drones used to monitor traffic during May Day holiday in S China

2016-05-03 08:51

By (Xinhua)

Drones used to monitor traffic during May Day holiday in S China

Two traffic police officers prepare a drone to help them monitor highway condition in Guangzhou, South China's Guangdong province, May 2, 2016.[Photo/Xinhua]

 

 

Previous Page 1 2 3 4 5 Next Page

0
...