new paving made with porphyry stone blocks of cubic in a pedestrian zone

activity block brick bricks building circle cobble cobblestone cobblestones concrete construction curve decoration decorative design driveway floor flooring footpath geometric ground interlocked italian italy material modern natural outdoors pave paved pavement paving pebble pedestrian porfido porphyry road sanpietrino scene shape sidewalk stone street tradition traditional urban walkway zone