Center of the square is the flat paved water basin with a rectangular floor plan. The water surface reflects the sky again, the wide pool edge invites you to sit and lie down. The "Sinking Wall" juts out of the water like a wall and reminds us that the Berlin Wall ran in direct proximity to the Invalidenpark. This 50-meter-long granite sculpture rises 7 meters above the water level at its highest point and contains a path that rises steadily to the south and flows into a lookout point. In the north, the path sinks like a dug into the earth and exposes part of the foundation of the former Gnadenkirche.
Source and further information: landschaftsarchitektur-heute.de