stone blocks for paving laying down background with hammer and trowel

and architectural background block blocks brick bricklayer bricklaying builder building business cobblestone concrete construction crafts curb down equipment floor footpath for garden gravel gray ground hammer horticulture installing laying man manual mason masonry material patio pave pavement paver paving placing plaster precision road rubber sand sidewalk site skill stone stonework street surface terrace tool track trowel walkway wall with work worker