repair of cobblestone road. between the joints of the cube is poured asphalt which is sprinkled from the top with fine white silic

activity asphalt brick bricklayer cobble cobblestone construction cover cube filling fine granite grate gray grille ground gutter historic industrial industry installing joints layer laying material new old path pave paved pavement paver paving poured rebuilding repair road rock rough sand separation sewage side sidewalk silic silica sprinkled stick stone street surface texture textured top upper view which white working