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The promenade deck is a deck found on several types of passenger ships and riverboats. It usually extends from bow to stern, on both sides, and includes areas open to the outside, resulting in a continuous outside walkway suitable for ''promenading'', (i.e., walking) thus the name. The term is thought to be derived from the Swedish word ''promenaddäck''. On older passenger ships, the promenade deck was simply the top outside deck below the superstructure, and was enclosed by a railing. Lifeboats are typically kept on davits accessible from the promenade. On a Mississippi riverboat, the promenade deck is the second deck, or floor, up from the waterline, above the main deck, and below the Texas deck. On modern cruise ships with superstructures as high and broad as the hull, the promenade deck is often largely enclosed, with railing-lined "cutouts" and wooden decking to recall the old days. The promenade may be used for jogging as well as walking, and signs indicate the mileage. ==Centerline promenade== Many cruise ships and cruiseferries built by Aker Finnyards and its predecessor Kvaerner Masa-Yards have a wide, multi-deck promenade running along the center-line of the ship through most of the superstructure, also referred to as a horizontal atrium. This allows the majority of cabins on the upper decks to have a window, either to the port or starboard side or to the promenade. This design was first used in the cruiseferries M/S ''Silja Serenade'' and M/S ''Silja Symphony'', built in 1990 and 1991, respectively. 抄文引用元・出典: フリー百科事典『 ウィキペディア（Wikipedia）』 ■ウィキペディアで「promenade deck」の詳細全文を読む スポンサード リンク
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