March 2004: Joint World Heritage Centre/ICOMOS monitoring mission; February 2005: World Heritage Centre Advisory mission on water and sanitation assessments; May 2010 and February 2015: Joint World ...
Following the joint UNESCO/ICOMOS mission to the property in March 2004 the State Party was requested by the World Heritage Committee at its 28th session (Suzhou, 2004) (Decision 28 COM 15A.39) to ...