In 1950, the Japanese government created a new system of cultural heritage, dividing the category of [[National Treasures]] - the top tier of sites and objects designated as being of exceptional cultural and historical importance - into an upper tier of National Treasures and a lower tier of Important Cultural Properties. | In 1950, the Japanese government created a new system of cultural heritage, dividing the category of [[National Treasures]] - the top tier of sites and objects designated as being of exceptional cultural and historical importance - into an upper tier of National Treasures and a lower tier of Important Cultural Properties. |