成人毛片高清视频观看,成人黄色在线免费观看,av天堂最新手机网址无码窝,一级毛片视频

Drone used to pollinate pear flowers in N China's Hebei

Source: Xinhua| 2019-04-07 16:22:43|Editor: zh
Video PlayerClose

CHINA-HEBEI-CANGZHOU-AGRICULTURE (CN)

A man operates a drone to pollinate pear flowers at Hougaoyao Village of Botou City, north China's Hebei Province, April 7, 2019. (Xinhua/Mu Yu)

   1 2 Next  

KEY WORDS:
EXPLORE XINHUANET