Introduction. Looking into Optimistic Scenarios for an Alternative Urban Transformation

To explore all factors of urban change in European cities it is necessary to understand how politically and physically it is possible to tentantively reach positive scenarios for sustainable urban transformation. In the transforming citiy dealing with sensitive urban and architectural design some rules should be re-considered properly according to diachronical co-relations and impacts of sites and scales conflits. Finally, looking into sustainable scenarios and trying to identify the rules from the past that can be used properly towards a sustainable future, is crucial to put questions as what is sustainability, how to implement it and what criteria.