Guests aboard the Carnival Liberty relax in an adults-only area of the cruise ship. |AP
In this June 23, 2012 photo provided by Carnival Cruise Lines, vacationers aboard the Carnival Breeze enjoy sunbathing at sea while viewing a movie at the Carnivalís Seaside Theatre, a lido deck poolside 270-square-foot LED screen offering concerts, sporting events and other programming throughout the day as well as nightly ìDive In Movies. (AP Photo/Carnival Cruise Lines, Andy Newman)
Vacationers aboard the Carnival Breeze relax at Serenity, an adults-only area offering plush chaise lounges and chairs, whirlpools, and a dining area with light fare. |AP
The interactive, multi-dimensional Thrill Theater entertains guests onboard the Carnival Breeze. |AP
NEW YORK — Cruise trends for the 2013 season are shaping up to include a bigger focus on multi-generational groups, more specialty food offerings, and continued efforts to wow passengers with new onboard firsts like an aquapark, a glass walkway and a vertical garden. Here …