视频国产精品,中文字幕大桥未久.,国产一区二区三区日本,色狠狠一区二区三区,亚洲国产精品欧美久久,亚洲另类春色综合婷婷,麻豆av影院

Qinghai-Tibet Railway: then and now

Source: Xinhua| 2019-06-15 08:02:30|Editor: ZX
Video PlayerClose

CHINA-QINGHAI-TIBET RAILWAY (CN)

Photo taken on Dec. 15, 2004 shows the construction site of the Qinghai-Tibet Railway. (Xinhua/Chogo)

   1 2 3 4 5 6 Next  

KEY WORDS:
EXPLORE XINHUANET
010020070750000000000000011100001381447191