drain drain cover drainage flood lines rain road surface water yellow color colour cover decorated Designs drains metal raised rusty turtles beach-side circular concrete construction contained covered deep draining dunes grasses grille heavy hole lid maintenance rocks rocky round sand sand-dunes sanitation soak-well solid strength strong vegetation well abstract architectural backdrop background design detail grating gray grey grid grill lattice lined metallic parallel pavement paving perspective rust shape square squared squares urban asphalt manhole pipe sewer street entrance pipes plumber Underground circle dirty down floor grate green grunge grungy industry iron old rough sewage sidewalk sink steel stone storm texture waste wet digging dug-up plastic pvc repairs reveal revealed run-off uncover uncovered work drive driveway