Located in the center of Barcelona on Plaça Joan Coromines is a project by Pablo Schmidt Kamp, Rodrigo Pérez Vásquez, and Santiago Rodríguez Prada—one of the two winning entries of the fifth edition of the TAC! Urban Architecture Festival. Their unique temporary pavilion, titled "Una sombra improbable", explores the concept of shadow as an expression of Barcelona’s ever -changing character.

The pavilion—an initiative of the Ministry of Housing and Urban Agenda (MIVAU), in collaboration with the Arquia Foundation and with the support of the CCCB and the Barcelona City Council —will be on display at Plaça Joan Coromines, in front of the Centre de Cultura Contemporània de Barcelona (CCCB), until December 1st of this year.

"Una sombra improbable", a project by architects Pablo Schmidt Kamp, Rodrigo Pérez Vásquez, and Santiago Rodríguez Prada, explores the projection of shifting patterns onto the ground throughout the day. By using its structure to manipulate sunlight, the project transforms light into an architectural resource that bridges public space, movement, and urban change.

"Una sombra improbable" by Pablo Schmidt Kamp, Rodrigo Pérez Vásquez and Santiago Rodríguez Prada. Photograph by Artworks.

"Una sombra improbable" by Pablo Schmidt Kamp, Rodrigo Pérez Vásquez and Santiago Rodríguez Prada. Photograph by Artworks.

Light, shadow, and social energy in the public realm
The project consists of an open, versatile structure composed of steel modules and a framework of timber beams, supported by concrete bases that also serve as benches. As sunlight passes through the installation, it casts ever-changing shadows that alter the perception of the surroundings as the day progresses. In this way, the structure turns the plaza into a space for gathering, play, and social interaction, inviting the public to move through it, rest, and engage in a variety of activities.

"Una sombra improbable" by Pablo Schmidt Kamp, Rodrigo Pérez Vásquez and Santiago Rodríguez Prada. Photograph by Artworks.

"Una sombra improbable" by Pablo Schmidt Kamp, Rodrigo Pérez Vásquez and Santiago Rodríguez Prada. Photograph by Artworks.

Aligned with the thematic focus of TAC! 2026 —which centers on energy as a transformative force for cities— the pavilion highlights the social energy that emerges from shared activities and human connections. Thus, "Una sombra improbable" invites reflection on urban dynamism and the capacity of architecture to forge new bonds between the public, the spaces they inhabit, and the evolution of the city.

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Dates
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From October 23 to December 1.

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Location
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CCCB, Plaza Joan Coromines, Barcelona.

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Pablo Schmidt Kamp (Quillota, 1995) is a Chilean architect and graduate of the University of Chile. Between 2019 and 2020, he was part of Smiljan Radić's office, and since 2023, he has been an adjunct professor in Workshop 1 at the University of Chile. In 2022, he founded the firm otraprácticaambigua, where he has developed and built diverse projects, including collaborating on the design and construction of the inflatable pavilion for the 2023 Chilean Architecture Biennial.
 

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Rodrigo Pérez Vásquez (Maule, 1993) is a Chilean architect and holds a Master's degree in Architecture from the Pontifical Catholic University of Chile (2019). He completed part of his studies at Roma Tre University in Rome (2016). He worked for over four years at the office of Smiljan Radić and, since 2023, has been an adjunct professor in Workshop I at the University of Chile. In 2023, he began his independent practice and founded his own architecture studio in Santiago, Chile.

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Santiago Rodríguez Prada (Buenos Aires, 1987) is an architect, having graduated from Universidad San Pablo CEU (2013). He also holds an academic degree from Universidad del Desarrollo (2010) and an MSc in Sustainable Building Technology from the University of Nottingham (2025). His professional career has spanned Spain, Chile, and the United Kingdom, combining architectural practice, construction management, energy efficiency consulting, and university teaching, including as a professor of structures and seismic design at Universidad del Desarrollo. He has worked on residential projects, tenders, technical coordination, and environmental assessments of buildings. His recent work focuses on sustainability, energy performance, and passive strategies applied to architectural design.

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Published on: November 6, 2026
Cite:
metalocus, MARÍA MÍNGUEZ
"Improbable Shadow TAC! 2026 by Pablo Schmidt Kamp, Rodrigo Pérez Vásquez, Santiago Rodríguez Prada" METALOCUS. Accessed
<https://www.metalocus.es/en/news/improbable-shadow-tac-2026-pablo-schmidt-kamp-rodrigo-perez-vasquez-santiago-rodriguez-prada> ISSN 1139-6415
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