HE Xu-hong's "Harvest a well pass through the ages" ( "Heritage Zone" in 1997 No. 4) are all defined as the J22 Furui, and "brief" and "New Harvest", etc. will qualify as an ancient well cellar.
To achieve this, the Circular states that policies to protect and sustain World Heritage Sites, including any buffer zone and setting, should be incorporated in regional and local plans as well as maps showing the extent of the World Heritage Site and any buffer zone.
Importance of cleaning of the site together with establishing of buffer zone was highlighted as the significant first steps in conservation of the World Heritage Site.