precast concrete cylindrical drainage channels have been buried in the ground beside the road for housing projects.

soil wall construction sand wood geology asphalt track rock ruins transport vehicle roof waterway brick infrastructure walkway architecture build bulldozer cement concrete site culvert cylinder development dirty ditch drain drainage earth editorial engineering equipment excavation excavator foundation hydraulic industrial industry iron irrigation line machine machinery manhole manufacturing material metal pipe pipeline plumbing road round sewage sewer structure transportation tube underground unfinished water work precast channels buried ground housing projects day cylindrical day