drainage in interlocking paving concrete gutter with slotted drain from one piece of concrete can hold water from the park

abstract architecture asphalt background block brick can cement cobblestone concrete construction design dirty drain drainage element elements entire exterior floor grainage gray grunge gutter hold interlock interlocking length lot material old one park parking pattern pavement paving piece rain road rough sewer sidewalk sign slot slotted soaking square stone street structure surface texture textured tile urban water white yard