산골아지트의 맨홀 이중관 배수로 매설작업. Manhole double pipe drainage in mountain hideout

The final drainage ditch leading to the guttering manhole and double pipe connection. Excavation, Backfill The final drainage ditch leading to the guttering manhole and double pipe connection. Excavation, Backfill #Drainage #Well #Mountains Groundwater, Nature, Mountains, Countryside, Mountains, Living Alone, Farmhouse Cave, Storage Warehouse, Stone Wall, Culvert, Farming, Countryside, Fire Tribe, Nature, Mountains, Mountain Village, Countryside, Country Life, Gardening, Garden, Handy Life, After Retirement #Groundwater #AfterRetirement #AfterRetirement #Farmhouse #Countryside #Farming #Countryside #Nature #Mountains #Mountains