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Architects: Florian Baller, Simon Kochhan
- Area: 100 m²
- Year: 2025



During the Time Space Existence exhibition, organized by the European Cultural Centre in Venice, the building-solutions company Holcim and Pritzker Prize-winning architect Alejandro Aravena, with his firm ELEMENTAL, unveiled a full-scale prototype that introduces a new approach in incremental housing solutions.
The housing prototype—The Basic Services Unit—was built with Hoclim's recently launched biochar technology, which transforms buildings into carbon sinks by permanently trapping carbon in a bio-based material called biochar. This material is used as a component of low-carbon concrete, cement, and mortars.

Ubani — Tbilisi Cityscape Research Center has released "Kala," the first publication in its new Guide to Tbilisi Districts series, offering an in-depth look at one of the Georgian capital's oldest urban areas. As a non-profit organization dedicated to researching and promoting Tbilisi's architectural heritage and landscape, Ubani develops public programs, exhibitions, workshops, and events aimed at making the city's built environment more widely understood. This inaugural guidebook continues that broader mission, situating Kala within the long-term evolution of Tbilisi's urban fabric.

The European Capital of Culture (ECoC) initiative was launched in 1985 and has, to date, been awarded to more than 60 cities across Europe. It is designed to celebrate and promote cultural diversity on the continent, strengthen European citizens' sense of belonging to a shared cultural space, and foster culture's contribution to urban development. In practice, the designation has proven to be a catalyst for urban regeneration, tourism growth, the strengthening of cities' international profiles, and the improvement of how they are perceived by their own residents. European Capitals of Culture are formally designated four years before the title year, allowing time to plan, prepare, and embed the program within a long-term cultural strategy, establish European partnerships, and ensure that appropriate infrastructure is in place. In 2025, the European Capitals of Culture are the German city of Chemnitz and the Slovenian city of Nova Gorica. For 2026, the designated cities are Oulu in Finland and Trenčín in Slovakia.





