Green Corridor by CRA-Carlo Ratti Associati

CRA-Carlo Ratti Associati unveils the result of its Urban Vision and Urban Program for Manifesta 14, the European Nomadic Biennial taking place in Prishtina, Kosovo between July 22 and October 30, 2022. CRA’s project suggests a new methodology to reclaim public space in the city, starting with a series of temporary, open-ended design interventions and leveraging artificial intelligence for urban analysis.

CRA’s Urban Vision, titled Commons Sense, newly published as a book, casts citizens as key drivers of the evolution of the built environment, fostering feedback loops to effect long-term urban innovation. During the 20th century, regime changes and political clashes brought considerable turbulence to Kosovo and its cities. As a result, Prishtina currently suffers from a substantial shortage of public space.

Photo © Ivan Erofeev

A large group of disenfranchised local residents are eager to reverse this situation, described by the city’s former mayor Shpend Ahmeti as an ongoing “battle for public space”. In response to this situation, CRA and Manifesta 14 put forward an innovative methodology for inclusive urban innovation, whose initial results will be visible in Prishtina during the biennial. This experimental “open-source urbanism” methodology is based on a series of temporary to permanent interventions developed with a participatory approach based on citizen feedback.

First, CRA mapped the city and identified a wide range of socially and culturally significant sites. Despite many of them being in compromised conditions, these locations have the potential to trigger an urban renaissance. In this phase, the studio teamed up with MIT Senseable City Lab to use artificial intelligence analysis to form a digital streetscape of the city. The findings were subsequently realized in collaboration with students from the architecture faculty of the University of Prishtina. The related data can be accessed on request by researchers, in the spirit of open-source urbanism.

Photo © Ivan Erofeev

Second, temporary renovations, or Urban Interventions, were set up to demonstrate how the same locations can be reclaimed by and for Prishtina’s citizens. Such work was conducted at a low cost in a short period of time, with a clear speculative orientation. Then, local residents were invited to “vote with their feet”, deciding whether these interventions should be made permanent, or be modified or discarded. Finally, evaluation sessions will be held to facilitate the accelerated evolution of the city.

“Cities around the world are currently going through an extraordinary time marked by crises, but also potential for renaissance. Faced with an unprecedented situation during the first outbreak of the Covid-19 pandemic, local government officials were forced to make bold urban experiments to respond more efficiently to people’s needs,” says Carlo Ratti, founding partner of CRA and director of the MIT Senseable City Lab.

Photo © Ivan Erofeev

“Commons Sense advocates for the Commons as the key for any positive transformation of the built environment. Working with local associations, students, and citizens, we have been experimenting with a rapid, participatory approach to reclaim the public space. It is the first step of a wider process of urban change and inclusion that we call the Prishtina Model,” says Daniele Belleri, partner at CRA in charge of curatorial projects. Such methodology was applied to build the Green Corridor.

This 1.3-kilometer former railway track, which used to be filled with abandoned cars and trash, has now been transformed into a pedestrian path with seating and plants. In addition, it links up two main locations of Manifesta 14: the Palace of Youth and Sports and the Brick Factory. The walkway, redeveloped in just twenty days of work, addresses the debate about how to remedy Prishtina’s problem of low pedestrian accessibility, and provides a leisure space for residents and exhibition-goers.

Photo © Ivan ErofeevPhoto © Ivan Erofeev

A circular approach ensures that all the elements of the corridor are easily removable and reusable in other locations. Visitors can reach the Green Corridor independently, or through the mediated tours organized by the biennial. Other Urban Interventions were realized by CRA back in 2021, and have been integrated into Prishtina’s social fabric in different ways. The former Brick Factory, first converted into a ‘urban living room’ by CRA in summer 2021, was transformed by German architectural practice raumlabor into a temporary Eco Urban Learning Center opened along with the Biennial.

These projects show how “open-source urbanism” can enact change within different time frames. Working with Kosovo’s Ministry of Culture, Youth and Sport, CRA also helped pedestrianize 2 Korriku street, a vibrant alley that is known to locals as Kafet e Rakis (Rakia’s cafes). CRA was first commissioned by Manifesta 14 to conduct the Urban Vision in March 2021. The entire working process is detailed in the publication of the Manifesta 14 pre-biennial process titled Public After All. Source by CRA-Carlo Ratti Associati.

Photo © Ivan ErofeevLocation: Prishtina, KosovoArchitect: CRA-Carlo Ratti AssociatiCRA design team: Carlo Ratti, Andrea Cassi, Alberto Benetti, Erzë Dinarama, Stephanie Lee, Iratxe De DiosCreative lead: Italo RotaYear: 2022Photograhs: Ivan Erofeev, Courtesy of CRA-Carlo Ratti Associati

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