In pics: world's leading diamond miner -- Alrosa

Photo taken on Nov. 12, 2018 shows diamonds to be sorted in an Alrosa facility in Mirnyi, Republic of Sakha (Yakutia), Russia. 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)