Polished diamonds on display in an Alrosa facility in Moscow, Russia, on Nov. 14, 2018. Alrosa, the world's leading diamond miner, has operations in Republic of Sakha (Yakutia) and Arkhangelsk region, running 11 kimberlite pipes and 16 alluvial deposits in the harsh climate of the Russian Far North. (Xinhua/Bai Xueqi)
In pics: world's leading diamond miner -- Alrosa
Source: Xinhua| 2018-11-15 19:44:35|Editor: xuxin
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