i have an area of paving behind a retaining wall on my back yard next to my driveway. i want to pave below the retaining wall now and not sure how to retain the edge pavers as in the pictures below, the string line is the top of the pavers which is 7cm above the surface of the ground. i have to build up the surface so that the level of the pavers is the correct height once finished which is the height of the driveway but the length of the pavers from one to the other is 25 metres and i have...

More...