The Big Apple’s thriving tourism industry just got another shot in the arm: Cruise ship Carnival Miracle announced Wednesday that it would make the city its year-round home port. The move, which goes into effect next April and will result in Carnival Miracle making an additional 21 calls at the Manhattan Cruise Terminal.

Royal Caribbean International’s Radiance of the Seas emerged from dry dock after a 21-day renovation. The work is part of the line’s $70 million Royal Advantage enhancement program that is making improvements to five ships this year.

Carnival Corp. & plc revised its guidance for the second half of 2011, citing the prolonged conflicts in the Middle East and North Africa, as well as the earthquake and nuclear disaster in Japan. Those events resulted in over 300 deployment changes, which will cost the company an additional 15 cents per share for the second half of 2011.

Royal Caribbean International, in a bid to capture more of the potentially lucrative Chinese cruise market, said it would base Voyager of the Seas in China during the month of June in 2012. The announcement was made at a press conference at the Shanghai International Conference Center in China before an audience of 300 travel agents and media partners.

Tourism continued to bounce back in the Turks and Caicos Islands during the first quarter of 2011, up a total of 17 percent over the same period last year and more than 50 percent better than 2009. Long stay visitor arrivals were up 12 percent from the first three months of 2010, while cruise ship passenger arrivals at the Grand Turk Cruise Center were up 20 percent.

Twelve passengers on Royal Caribbean’s Independence of the Seas suffered minor injuries when a fuel tank exploded on a pier in Gibraltar near the ship on Tuesday, May 31. “Immediately after the explosion, the ship retracted the gangway and moved a safe distance from the dock,” a Royal Caribbean spokesperson said in a statement. The Gibraltar Chronicle reported that the explosion occurred in a fuel tank on the pier.