In the series My own private Rome he excavates them like a treasure from the ground where he once buried his first glass-brick installations in the archaeological Parco di Veio near Rome (1997). The geometry and the radiance of the quadratic sculpture stand out against nature, in contrast to the glass carpet floating on the surface of the water in the Lago di Bracciano (1997). The undulating surface rises and falls with the waves like a jellyfish conveying the impression of something organic. He placed the same square, supported by a metal frame, atop a flight of stone steps in the centre of Rome. The convex glass reflects the architecture, every single element reflects the materiality of the stone walls.