For 10 points, name this site whose buildings are torn down and rebuilt on alternating sites every twenty years, the holiest shrine in Shintoism, which is dedicated to Amaterasu.
This site is responsible for a ceremony replacing a rope that weighs over a ton that joins the "wedded rocks," which are located in a nearby sea. Each October 15, this site is home to a harvest ritual in which the first crops of the year and a five-colored silk cloth are offered to a deity. One area at this site is an empty lot with a "sacred central pole." The central building of this site consists of a heavy gabled roof with logs crossing the top and is built entirely from cypress. This site consists of an Outer and Inner complex, the latter of which is called Naiku, is accessible via the Uji Bridge, and supposedly contains the Sacred Mirror. For 10 points, name this site whose buildings are torn down and rebuilt on alternating sites every twenty years, the holiest shrine in Shintoism, which is dedicated to Amaterasu.
This site is responsible for a ceremony replacing a rope that weighs over a ton that joins the "wedded rocks," which are located in a nearby sea.
Ise Grand Shrine [or Ise Jingu; or Kotai jingu; prompt on Naiku] 