国产一级免费电影,国产自产在线视频一区,国产一区亚洲,久久国产精品视频,日本美女天天操b,九色激情,成年轻人网站色直接看

In pics: surface water treatment plant in Langfang, N China's Hebei

Source: Xinhua| 2018-03-22 17:02:20|Editor: Yurou
Video PlayerClose
CHINA-HEBEI-LANGFANG-WATER RESOURCE (CN)

Staff members clear the water surface at a surface water treatment plant in Langfang, north China's Hebei Province, March 21, 2018. Langfang, which lacks water resources, has made use of the country's south-to-north water diversion project and received 62 million cubic meters of diverted water since 2015. (Xinhua/Wang Xiao)

   1 2 3 4 Next  

KEY WORDS: China
EXPLORE XINHUANET
010020070750000000000000011100001370575441