On today's Cruise News: PortMiami warns of heavy traffic on June 13 as eight cruise ships and the opening of the FIFA Fan Festival overlap, with roughly 63,000 cruise passengers expected through the port in a single day during a 10 a.m. to 2 p.m. peak. Royal Caribbean's seventh Oasis-class ship, known for now as B35, has begun block assembly at Chantiers de l'Atlantique in Saint-Nazaire, France, following its June 11 keel-laying ceremony, with a 2028 debut planned for the roughly 236,900-gross-ton vessel. And Cunard has opened a sweepstakes for two travelers to sail Queen Mary 2's 450th transatlantic crossing from Southampton to New York this November, a nod to 186 years of the line's Atlantic heritage. Entries are open through July 31.