On Belleville Hill, in Paris, there is a park with a splendid view of the capital. In this park, there is a lot of greenery, a mixed crowd, and a visionary gardener. A humble artisan and philosopher, Gerard represents nature within one of the most popular urban environments. Built on the ruins, the park is the result of the renovation of the area and carries with it all the ambiguities of the urban policy pursued since the 60s. However, it has become a meeting place where old and new intersect