DIALOGUE the lake of Brasília "City-park". The concept of the proposed Masterplan is based on the principle of deconstruction of the lake's edge, border. The borderline dissolves itself and builds the transition, the interaction, the dialogue between the built environment of the city and the natural environment represented by its waters and the green areas around it. Within the vision of Lucio Costa for Brasília, the "City-Park", large green areas were preserved and gave way to a series of conservation fragments such as Environmental Protected Areas, Areas of Relevant Ecological Interest, Ecological Parks. The proposed Masterplan aims, through the design of the lakefront and the associated circulation system, to "sew" the various green areas with the fabric of the city, where the green intersects streets, extends beyond the limits of parks and protected areas, and overflows into the lake thus like the waters of the existing streams which now flow into it. The circle-shaped representation of the Masterplan indicates the lens by which we see and analyze the edge and does not imply limiting, but rather indicates the focus centered on the relation of the lake to the "pilot plan" of Brasilia, however, contiguous areas, such as the parks in its perimeter as well as watercourses, extrapolate the geometry of the circle and reverberate principles and guidelines to expand the area of influence of the Masterplan. The public on the edge of Lake Paranoá to which we design it goes far beyond the residents, tourists, and workers of the pilot plan. The Masterplan is structured by 3 basic elements: the point, the line, and the plane. The point represents interventions that mark and give rhythm to the lake edge. They materialize in signal buoys, dive buoys, solar buoys, fountains, decks/berths that are repeated along the shore and into the lake. The buoys also function as identifiers, spatial reference elements, wayfinding elements, and their positioning part of the axes of the pilot plan to establish a dialogue between the city and the lake. The idea is that the numbering of these buoys follows the denomination of the blocks where the axis originates. The line materializes at the very edge of the lake and in the connections that originate from or receive from it. The line "sewing", links, articulates, the new to the existing, softscape to hardscape, people and wildlife, sometimes walks, sometimes cycle paths, paths, ecological corridors, streams. The plane represents the space where the interventions take place, the areas defined by the competition terms. The programmatic anchors defined by the Masterplan consist of focal points within the planes where the activities proposed in it come to life. In addition to anchors proposed in detail areas 4 and 7A, 14 and 15, the Masterplan provides for the installation of other anchors along the entire lakefront, for example, a vertical water feature aligned with the monumental axis and counterpoint to the existing TV antenna, similar in scale, public art inside and outside the water, pavilions, observation towers, environmental education center, ...