All "Radiance"-class ships have a gross tonnage of 90,090 and environmentally friendlier gas turbine engines. The "Radiance"-class ships have over of glass, glass exterior viewing elevators, over 700 balcony staterooms, two-level glass windowed dining rooms, alternative restaurants, a retractable glass roof over a pool, an outdoor pool, as well as the first self-leveling billiard tables at sea. The "Radiance" class ships were constructed at Meyer Werft, Papenburg, Germany. Unlike the preceding "Voyager" class, these ships are built to the Panamax form factor, allowing them to pass through the Panama Canal.