Emptiness is as an intrinsic part of the city, as it is a path of continuous evolution or its reverse and stagnation. Because of the process, expectant spaces arise, between the opportunity and the discomfort of failed processes. Alvaro Siza’s Quinta da Malagueira estate in Évora is an example of a large urban area designed with a mixed plan that provided for housing, services, and commerce, that offer radical lessons in architecture and time. Yet, most of the public buildings - including a parish centre, a restaurant, a motel, a medical centre and the main central structure at the central public square - were left to be built and the site that would accommodate it is now an expectant urban space. The desire to complete the plan is opposed ...