Conservation of architecture heritage in Britain today 并列题名：Conservation of architecture heritage in Britain today 并列题名：Evolution of architectural heritage conservation theory Preventive conservation of architectural heritage in China Evolution of architectural heritage conservation theory Study on the preservation of architectural heritage in portugal 并列题名：Preventive conservation of architectural heritage in China 并列题名：Study on the preservation of architectural heritage in portugal History and future of architectural heritage in East Asia conservation and promotion of heritage tourism /