亚洲色怡人综合网站,国产性夜夜春夜夜爽,久久97AV综合,国产色视频一区二区三区

 

Jingadao Village of China's Shanxi forms recycling economy

( Xinhua )

Updated: 2012-12-20

Jingadao Village of China's Shanxi forms recycling economy

Villagers plant vegetables in a greenhouse in Jingadao Village of Changzhi County, north China's Shanxi Province, Dec. 11, 2012. Jingadao Village of Changzhi County has formed a recycling economy. Villagers here use marsh gas as fuel after fermenting pig excrement, adopt clean sewage disposal system, produce natural fertilizer with animal excrement and plant green vegetables. (Xinhua/Yan Yan)

Previous Page 1 2 3 4 5 6 Next Page