Natural Looking Winding Stone Stair - there are a lot of DIY projects a handy homeowner can do on his own, but this is one Id leave to the pros! This is so well done! Robinsons Landscaping and Nursery - Gardening For You
Erosion can be physical or chemical. Water erosion is chemical- the water interacts with the molecules on the rock surface. These stairs have undergone physical erosion- people walking up and down them have worn down the rock.