Library of Trees park, Urban park in Porta Nuova district, Milan, Italy.
Library of Trees is an urban park built on a former vacant site in the Porta Nuova district with more than two dozen circular forest clusters and paths at varying levels. The space contains thousands of trees from hundreds of species, along with a natural pond and gardens to explore.
The land lay unused and polluted after World War II until the early 2000s, when a design competition sparked its transformation. This shift from a contaminated field to a modern park demonstrates how cities can reclaim abandoned urban spaces.
The park features names and verses inscribed along its paths that invite reflection and encourage visitors to explore. These elements create spaces where people meet, rest, and reconnect with nature in the middle of the city.
The park sits between neighboring streets and links nearby train stations, office buildings, and residential zones through an extended path network. Visitors find clear trails at different elevations that make navigation easy and help discover various parts of the grounds.
Water in the park is filtered by natural plants and organisms that form a small ecosystem, drawing insects and birds. This working balance shows how urban nature can regulate itself without relying on chemicals.
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