婷婷丁香久久,日日夜夜天天久久,中文av岛国无码免费播放,国产最新进精品视频,一进一出下面喷白浆视频,天天夜夜人人,97免费在线观看视频

People learn knowledge in various museums during Labor Day holiday

Source: Xinhua| 2019-05-03 22:14:21|Editor: mingmei
Video PlayerClose

#CHINA-LABOR DAY HOLIDAY-LEARNING (CN)

People visit a science museum in Deqing County, east China's Zhejiang Province, May 3, 2019. People learn knowledge in various museums during the Labor Day holiday. (Xinhua/Wang Zheng)

|<<   Prev 11 12 13 14 15 16  

KEY WORDS:
EXPLORE XINHUANET
010020070750000000000000011100001380319321