色婷婷狠狠操,在线欧美激情,国产一区二区二,日韩在线一区二区,干少妇视频,国产成人免费高潮激情视频,中文字幕看片

Artificial floating island set for water purification in east, southwest China

Source: Xinhua| 2018-07-26 07:30:55|Editor: Liangyu
Video PlayerClose

#CHINA-ARTIFICIAL FLOATING ISLAND-WATER PURIFICATION (CN)

Aerial photo taken on July 25, 2018 shows artificial floating islands set in a river for water purification in Chaohu City, east China's Anhui Province. (Xinhua/Ma Fengcheng)?

   Prev 1 2 3 4 Next  

KEY WORDS: water purification
EXPLORE XINHUANET
010020070750000000000000011100001373484801