HERITAGE 2008 International Conference World Heritage and Sustainable Development PORTUGAL 7 - 9 May 2008 http://www.heritage2008.greenlines-institute.org E-mail:[email protected] The Green Lines Institute for Sustainable Development Organizing Committee: Rogério Amoêda, Sérgio Lira, Cristina Pinheiro, João do Carmo Pinheiro, Filipe Pinheiro Stone worker’s mark - Cathedral of Almendra, Vila Nova de Foz Côa Photo: Cristina Pinheiro 2007 Vila Nova de Foz Côa