With the idea that the materials themselves engage in reflection and pose questions about the situation of the city’s speculation, the artist creates a series of key rings with the rubble of Berlin. These pieces and the placement of one of them on an overhead projector are based on the idea of the Souvenir as the consumed image of the city as a product. The value of the key rings plays an important role as it will always be linked to the price of the square meter of the site, determined by the real estate market.