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Wreck diving is a type of recreational diving where shipwrecks are explored. Although most wreck dive sites are at shipwrecks, there is an increasing trend to scuttle retired ships to create artificial reef sites. Wreck diving can also pertain to diving to crashed aircraft.〔(Canadian Harvard Aircraft Association ''Dive Recovery Team'' )〕 == Reasons for diving wrecks == A shipwreck is attractive to divers for several reasons:〔(- Wreck Diving Explained )〕 * it is an artificial reef, which creates a habitat for many types of marine life * it often is a large structure with many interesting parts and machinery, which is not normally closely observable on working, floating vessels * it often has an exciting or tragic history * it presents new skill challenges for scuba divers * it is part of the underwater cultural heritage and may be an important archaeological resource and aviation archaeology * it provides a first-hand insight into context for the loss, such as causal connections, geographical associations, trade patterns and many other areas, providing a microcosm of our maritime heritage and maritime history * it sometimes contains artifacts of historical, artistic and/or monetary value, which can be sought for profit (treasure hunting) or collection purposes (ranging from rare collector's items to souvenirs, memorabilia or other "trophies", such as crew's or passengers' personal belongings, nautical instruments, brass portholes or silverware, cutlery, intact china or other tableware). 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「wreck diving」の詳細全文を読む スポンサード リンク
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