The presented article deals with the observation of the reciprocal relationship at the level of architecture -landscape -recipient, in the environment of white spaces. The definition of reciprocity is commonly understood as mutual exchange and dependence. The term for the purposes of this paper describes the mutually beneficial two-way processes between the environment and intervention in the landscape. The unused space in the form of an urban void is perceived as a host structure that serves as a background and a territory for the intervention. As intervention benefits from what the environment can offer -landscape, location, greenery, views, axes, connections, openness, intimacy, operation, background, colour, materiality and many other attributes that deliver quality, then the white space, on the contrary, benefits from the new form, which draws attention to the location, attracts recipients who begin to use and occupy the place, provides connectivity to the site and the transit function turns into a residential function. The paper presents a situation of introducing an intervention -a wooden installation called "AMFI", into the white space environment. It is an anti-amphitheatre, or a house that cannot be entered, an object that cannot be inhabited. Using the example of this specific reciprocal relationship, the article further describes the individual aspects of the issue.