A mother and child walk through the snow towards an apartment block as the orthodox Church of Saint Seraphim of Sarov stands beyond in Udachny, Sakha Republic, Russia, on Thursday, Dec. 12, 2013. Russia plans to maintain control of Mirny-based Alrosa, which produces a quarter of the world's diamonds by value and more rough diamonds than De Beers by carat. Photographer: Andrey Rudakov/Bloomberg via Getty Images