In the basin of Ioannina, in the abandoned former military prisons, the current proposal for the creation of a biological center aiming at the study and preservation of the life forms that Lake Pamvotis is hosting. The building program includes a laboratory cave space, a library office space, a showroom and a café. The ground floor of the complex consists of the existing preserved stone buildings, which are joined in a single unit with the addition of a concrete in the northern part where the library will be housed. In the eastern part, recreational spaces are articulated. The construction is aimed at a monolithic single effect, a strong and linear construction, low in height compared to existing buildings exceeding 12 meters. The first floor is constructed with the addition of concrete over existing ones. The floor plan is formed by the same column switching rule, emphasizing the linear potential of the whole. The layout of the courtyard where it draws elements from the traditional architecture of the area's paths. The landscape is characterized by paths of different sizes and materials that enable the visitor walker of a different experience on each type of route he will choose. At the same time, there are roof-mounted galleries that offer protection during a rainfall or in the summer months sun protection.