Costa Crociere, the Italian unit in Carnival Corp & plc group, will double its capacity in Asia in 2013 by sending the 85,700 gross Costa Atlantica to operate cruises from Singapore, Shanghai, Tianjin and Hong Kong, the Italian news agency ANSA reports. Costa Atlantica will start cruising in the Asian region in May 2013, whereby Costa Crociere will offer 5,074 berths there on the two ships. The company has operated cruises in Asia since 2006 and it has carried about 350,000 passengers in the region, ANSA said.