repair of the slope above the river, the river banks are strengthened by a bunch of stonemasons where the embankment is paved with

above are bank banks barrier bed bucket bunch compactor construction cycling dam damage deposit deposits dig dirt down duck embankment excavation excavator filtration flood geotextiles groove landscaping maintenance male new path paved paving prevention preventive protection renovating repair retaining river sidewalk site slope soil stone stonemason stonemasons stones stream strenghtening strengthened tears wall water where work worker workspace