This thesis explores the interplay between urban underground spaces and the concept of time, aiming to transform our perception and use of these hidden areas. Beginning with an extensive mapping of Madrid's underground, the research reveals the often-inaccessible nature of these spaces. Through typological studies and philosophical exploration, the thesis reinterprets these spaces as temporal phenomena, emphasizing their dynamic potential.
The theoretical foundation is grounded in concepts such as Bergson's duration and Bakhtin's chronotope, which highlight the entanglement of time and space. The design project proposes a shift from place-based to operation-based design, focusing on the temporal dimensions of space. It envisions a flexible art hub in Madrid, adaptable to various activities and extending beyond its physical boundaries, reflecting the concept of Urban Uchronia—a utopia of time that challenges existing temporal norms.
The manifesto envisions a network of interconnected underground spaces across the city, forming a system of Urban Uchronia. This vision integrates subterranean environments into the urban fabric, transforming how we engage with these spaces. The thesis concludes by reflecting on the transferability of these concepts, offering innovative strategies for urban regeneration and architectural design in diverse contexts worldwide. By reimagining underground spaces through the perspective of time, this thesis proposes a new paradigm for urban development.

This thesis explores the impact of the Whole Earth Catalog on architecture practices in communes during the late 1960s and early 1970s, focusing on the relationship between people and the built environment. By analyzing the Catalog's contents, the real self-build works in communities, and the critiques it received, this study reveals the Catalog's rich heritage for sustainable architecture today, including passive design and the promotion of new energies. In addition, the anthropological approach of the Catalog, which emphasized the connection between architecture and people's daily life, is highlighted as a valuable perspective for architecture today. This study argues that the Catalog's approach provides a framework for seeing architecture as an ongoing process shaped by interactions with other realms, challenging the traditional relationship between designers, users, and architecture. By involving amateur builders and urging an insider perspective, the Catalog's approach could bridge the gap between designers and users and enable a more comprehensive architecture practice.