3.1 The Development of the International Policies on Architectural Heritage
The recognition of the heritage value of historic architecture came during the Renaissance era.The germination and development of humanism inspired the movement that lead to a revival of the appreciation for classical Greek and Roman civilization, which impacted on the protection of architectural heritage significantly.With the development of archaeology in the age of Enlightenment in the 18th century, the awareness of architectural heritage protection gradually grew.Although The earlier legislative action for architectural heritage protection can be traced to the Papel bull: Cum almam nostram urbem of 1462 in Italy, the formal legislative protection of architectural heritage started from the late 19thcentury.(https://www.daowen.com)