A waiter counts Russian roubles and prepares Ukranian hryvnia for change in a restaurant in Sevastopol March 24, 2014. Crimea is adopting the Russian rouble as its official currency and will drop the Ukrainian hryvnia in April, Russian news agency RIA quoted a senior official in the government of the region, which has voted to become part of Russia. REUTERS/Vasily Fedosenko (UKRAINE - Tags: POLITICS BUSINESS)