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 circle cobble cobblestone construction cover cube cubes filling fine granite grate gravel gray ground historic industrial industry installing joints layer laying material measuring new old path pave paved pavement paver paving pile poured rebuilding renovating repair road rock rough sand sewage side sidewalk silic sprinkled stone street string surface texture top view which white working