mosaic cobblestone paving - calcada. elvas, alentejo region, portugal

white volcanic unesco undefined typical tile symmetrical symmetric symetry symbol surface street stone sidewalk sandstone romanesque road rio region portuguese portugal pebble paving pavement path mosaic medieval lisbon handmade hand grey golden gold found evora elvas diamond design craftwork craftsmanship craft countries contrast colonies cobblestone cobbled cobble calcada brazil boulevard black basalt background backdrop art alentejo abstract