With regard to wreckage, many kinds of waste materials which have been illegally disposed of mainly by Korean and Chinese freight ships and fishing boats sailing the Sea of Japan as well as from the Korean Peninsula and Japanese mainland moves with the sea current and drifts ashore along the coast of Tsushima and the Sea of Japan.
漂着物として、主に韓国、中国など日本海を航行する貨物船や漁船、また朝鮮半島や日本本土から不法投棄されるゴミが海流にのって、対馬や日本海沿岸に漂着する。