蜜臀av性久久久久|国产免费久久精品99|国产99久久久久久免费|成人精品一区二区三区在线|日韩精品一区二区av在线|国产亚洲欧美在线观看四区|色噜噜综合亚洲av中文无码|99久久久国产精品免费播放器

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)?

   1 2 3 4 Next  

KEY WORDS: water purification
EXPLORE XINHUANET
010020070750000000000000011100001373484801