National Pavilion of Biodiversity by Fernanda Ahumada + FREE: An Architectural Ode to Life’s Diversity

Nestled in the cultural corridor of Ciudad Universitaria in Mexico City, the National Pavilion of Biodiversity is a landmark project designed by Fernanda Ahumada in collaboration with FREE. Completed in 2022, this 11,780-square-meter building seamlessly merges architecture, science, and education, serving as a new home for the Institute of Biology at UNAM. It is not only a scientific archive but also a dynamic space for public engagement and learning, housing Latin America’s largest collection of preserved species.

Concept: Architecture Inspired by Nature

The architectural concept draws inspiration from the Tree of Life, reflecting the interconnectedness of all living beings. The radial floor plan symbolizes the branching structure of evolution, while the central spiral staircase—evocative of the DNA double helix—acts as a sculptural core connecting all levels. This symbolic gesture highlights the genetic code shared by all species and aligns with the building’s mission of biodiversity conservation.

Spatial Strategy: A Radial and Layered Experience

The pavilion’s three-ring organizational layout reflects its mixed-use nature:

• Inner ring: Public spaces like permanent exhibitions and vertical circulation.
• Middle ring: Specialized research and archival collections, housing mammals, reptiles, birds, and fish.
• Outer ring: Laboratories, digital libraries, and consultation rooms, providing expansive 360° views of the surrounding landscape.

This layered circulation fosters interaction between researchers, students, and visitors, promoting a deeper understanding of biodiversity through immersive museum architecture.

Design & Materials: Sustainability and Symbolism

The façade combines glass, local volcanic quarry stone, and perforated aluminum panels that respond dynamically to natural light and wind. The kinetic facade, composed of thousands of aluminum modules, moves with the breeze, embodying the vitality and constant change of natural ecosystems. The quarry base, made from volcanic rock excavated onsite, grounds the building in the geological history of the Pedregal area.

These sustainable architecture strategies not only improve energy efficiency but also root the pavilion in its ecological and cultural context.

Interior Programming: A Scientific and Public Nexus

Distributed over three levels, the Pavilion includes:

• Exhibition halls and multimedia spaces for public education
• Climate-controlled archives for specimen preservation
• Laboratories, including a molecular biology lab
• A digital library, auditorium, gift shop, and cafeteria

The lower floor, partially buried into the terrain, offers quiet public zones with views of the quarry, encouraging contemplation and deeper engagement. The upper levels prioritize functionality, enabling intensive research and archival work while remaining visually and spatially connected to the exterior.

Architectural Significance: A Living Monument

The National Pavilion of Biodiversity stands as a vital institution at the intersection of science, architecture, and sustainability. It supports ongoing biodiversity research while also serving as a place of wonder and learning for the public. Through its symbolic form and innovative material palette, the building communicates the urgency of conservation and the beauty of life on Earth.

All the photographs are works of César Belio, Mariola Soberón