Opening Of Rio Tinto's Underground Expansion Of The Argyle Diamond Min

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Representatives from the Mirriuwung and Gidja people, the traditional... News PhotoAsia,Australasia,Australia,Australian Culture,Business,Ceremony,Corporate Business,Cultures,Delivering,Diamond - Gemstone,Finance,Gemstone,Growth,Horizontal,Kununurra,Land,Man Made Object,Mine,Miner,Mining,Occupation,Oceania,Opening Event,Owner,People,Performance,Precious Gem,Rio Tinto GroupPhotographer Collection: Bloomberg 2013 BloombergRepresentatives from the Mirriuwung and Gidja people, the traditional owners of the land, perform a Manthe ceremony with Rio Tinto Group employees during the opening of the company's underground expansion of the Argyle diamond mine in Kimberley, Australia, on Tuesday, April 30, 2013. Production at Argyle, which supplies more than 90 percent of the world’s pink diamonds, will rise to 20 million carats annually as production moves underground, while costs will fall. Photographer: Ian Waldie/Bloomberg via Getty Images