2012-12-12 15:15chinadaily.com.cnWeb Editor: Su Jiecomment
Shoppers can exchange used bottles for shopping coupons through a recycling machine inside China's first hi-tech "future supermarket" in Hefei, capital city of East China's Anhui province, on Dec 10, 2012. [Photo by Shen Guo/Asianewsphoto]