Chongqing turns trash cans into Wi-Fi hotspot
Updated: 2016-09-02 09:57
(People's Daily Online)
 |
|
A sanitation worker cleans the solar-powered trash can in Chongqing on Sept 1. [Photo/Chinanews.com] |
|
|
A sanitation worker cleans the solar-powered trash can in Chongqing on Sept 1. [Photo/Chinanews.com] |