In Jingu, every ２０ years all Shaden (the buildings) and the Torii (an archway to a Shinto shrine) of Shogu (the supreme two shrines) and Betsugu (second ranked affiliated shrines) including Kotai-jingu Shrine and Toyouke-Daijingu Shrine are rebuilt, and the Onshozoku (the sacred apparel) and Shinpo (the treasures) are remade, and they are carried to a new site along with the symbol of the kami (deities).
神宮では、20年ごとに皇大神宮・豊受大神宮の正殿など正宮・別宮の全ての社殿と鳥居を建て替え、御装束・神宝も造り替え神体を遷す。