There is a model of a city under the water

top-quality、masutepiece、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、世界のunderwater cultural heritage（Mrs. Underwater literature meeting、English：underwater cultural heritage）It has been unified as the expression。。 Overview United Nations Education, Scientific and cultural Organization（UNESCO）According to the Convention for the Protection of Underwater cultural Heritage、underwater cultural heritageWhat is、cultural、historic、or any trace of human presence in an archaeological feature.、Some or all of them occur regularly or permanently、The following three have been underwater for at least 100 years:。At first、Ruins、build、built、artifacts and human bones、People with an archeology or nature background;、The second is、Ships、aircraft、Other vehicles or their parts、with that cargo or other cargo、People with an archeology or nature background;、The 3rd one、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., falls 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、Ground subsidence due to the effects of crustal deformation caused by earthquakes, volcanic activity, etc.、Landslides can cause water to flow into the sea or lakes.、This is thought to be the result of submergence due to sea level rise and water level fluctuations。.[2]。

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