A view of a waterfall and a house in a forest

top-quality、Masterpiece、detaileds、海底ruins（I love writing）What is、海底にあるruinsである。Usually、湖底や川底にあるruinsも、海底ruinsという用語で一括される。類語に水中ruinsがあるが、Both in recent years、Underwater cultural heritage internationally（Mr. Suichubunkai、english：underwater cultural heritage）It is becoming unified as the expression。 Overview United Nations Educational, Scientific and Cultural Organization（UNESCO）According to the Convention for the Protection of Underwater Cultural Heritage、水中文化遺産What is、Cultural、historic、or all traces of human existence of an archaeological character.、Some or all of them are regularly or permanently、The following three things have been underwater for at least 100 years:。The first is、ruins、construct、Constructs、Artifacts and human remains、those with an archaeological and natural background;、The second is、ships、aircraft、Other vehicles or parts thereof、with its cargo or other cargo、those with an archaeological and natural background;、The third is、It has a prehistoric character.[1]。The underwater cultural heritage that falls into the first and third categories is、日本語の海底ruinsという概念にもっとも近い。however、sometimes、The remains of sunken ships, etc., fall into the second category.、海底ruinsの範囲に含まれる場合もある。 海底や湖底にruinsが存在する要因としては、もともと陸上にあった都市やruinsが、Subsidence due to the effects of crustal deformation caused by earthquakes, volcanic activity, etc.、Landslides may cause water to flow into the ocean or lakes.、It is believed that this is the result of submergence as a result of sea level rise or water level fluctuations.[2]。

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